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Overcoming Speech Impediment: Symptoms to Treatment

There are many causes and solutions for impaired speech

• Types and Symptoms
• Speech Therapy
• Building Confidence

Speech impediments are conditions that can cause a variety of symptoms, such as an inability to understand language or speak with a stable sense of tone, speed, or fluidity. There are many different types of speech impediments, and they can begin during childhood or develop during adulthood.

Common causes include physical trauma, neurological disorders, or anxiety. If you or your child is experiencing signs of a speech impediment, you need to know that these conditions can be diagnosed and treated with professional speech therapy.

This article will discuss what you can do if you are concerned about a speech impediment and what you can expect during your diagnostic process and therapy.

FG Trade / Getty Images

Types and Symptoms of Speech Impediment

People can have speech problems due to developmental conditions that begin to show symptoms during early childhood or as a result of conditions that may occur during adulthood. 

The main classifications of speech impairment are aphasia (difficulty understanding or producing the correct words or phrases) or dysarthria (difficulty enunciating words).

Often, speech problems can be part of neurological or neurodevelopmental disorders that also cause other symptoms, such as multiple sclerosis (MS) or autism spectrum disorder .

There are several different symptoms of speech impediments, and you may experience one or more.

Can Symptoms Worsen?

Most speech disorders cause persistent symptoms and can temporarily get worse when you are tired, anxious, or sick.

Symptoms of dysarthria can include:

• Slurred speech
• Slow speech
• Choppy speech
• Hesitant speech
• Inability to control the volume of your speech
• Shaking or tremulous speech pattern
• Inability to pronounce certain sounds

Symptoms of aphasia may involve:

• Speech apraxia (difficulty coordinating speech)
• Difficulty understanding the meaning of what other people are saying
• Inability to use the correct words
• Inability to repeat words or phases
• Speech that has an irregular rhythm

You can have one or more of these speech patterns as part of your speech impediment, and their combination and frequency will help determine the type and cause of your speech problem.

Causes of Speech Impediment

The conditions that cause speech impediments can include developmental problems that are present from birth, neurological diseases such as Parkinson’s disease , or sudden neurological events, such as a stroke .

Some people can also experience temporary speech impairment due to anxiety, intoxication, medication side effects, postictal state (the time immediately after a seizure), or a change of consciousness.

Speech Impairment in Children

Children can have speech disorders associated with neurodevelopmental problems, which can interfere with speech development. Some childhood neurological or neurodevelopmental disorders may cause a regression (backsliding) of speech skills.

Common causes of childhood speech impediments include:

• Autism spectrum disorder : A neurodevelopmental disorder that affects social and interactive development
• Cerebral palsy :  A congenital (from birth) disorder that affects learning and control of physical movement
• Hearing loss : Can affect the way children hear and imitate speech
• Rett syndrome : A genetic neurodevelopmental condition that causes regression of physical and social skills beginning during the early school-age years.
• Adrenoleukodystrophy : A genetic disorder that causes a decline in motor and cognitive skills beginning during early childhood
• Childhood metabolic disorders : A group of conditions that affects the way children break down nutrients, often resulting in toxic damage to organs
• Brain tumor : A growth that may damage areas of the brain, including those that control speech or language
• Encephalitis : Brain inflammation or infection that may affect the way regions in the brain function
• Hydrocephalus : Excess fluid within the skull, which may develop after brain surgery and can cause brain damage

Do Childhood Speech Disorders Persist?

Speech disorders during childhood can have persistent effects throughout life. Therapy can often help improve speech skills.

Speech Impairment in Adulthood

Adult speech disorders develop due to conditions that damage the speech areas of the brain.

Common causes of adult speech impairment include:

• Head trauma 
• Nerve injury
• Throat tumor
• Stroke 
• Parkinson’s disease 
• Essential tremor
• Brain tumor
• Brain infection

Additionally, people may develop changes in speech with advancing age, even without a specific neurological cause. This can happen due to presbyphonia , which is a change in the volume and control of speech due to declining hormone levels and reduced elasticity and movement of the vocal cords.

Do Speech Disorders Resolve on Their Own?

Children and adults who have persistent speech disorders are unlikely to experience spontaneous improvement without therapy and should seek professional attention.

Steps to Treating Speech Impediment 

If you or your child has a speech impediment, your healthcare providers will work to diagnose the type of speech impediment as well as the underlying condition that caused it. Defining the cause and type of speech impediment will help determine your prognosis and treatment plan.

Sometimes the cause is known before symptoms begin, as is the case with trauma or MS. Impaired speech may first be a symptom of a condition, such as a stroke that causes aphasia as the primary symptom.

The diagnosis will include a comprehensive medical history, physical examination, and a thorough evaluation of speech and language. Diagnostic testing is directed by the medical history and clinical evaluation.

Diagnostic testing may include:

• Brain imaging , such as brain computerized tomography (CT) or magnetic residence imaging (MRI), if there’s concern about a disease process in the brain
• Swallowing evaluation if there’s concern about dysfunction of the muscles in the throat
• Electromyography (EMG) and nerve conduction studies (aka nerve conduction velocity, or NCV) if there’s concern about nerve and muscle damage
• Blood tests, which can help in diagnosing inflammatory disorders or infections

Your diagnostic tests will help pinpoint the cause of your speech problem. Your treatment will include specific therapy to help improve your speech, as well as medication or other interventions to treat the underlying disorder.

For example, if you are diagnosed with MS, you would likely receive disease-modifying therapy to help prevent MS progression. And if you are diagnosed with a brain tumor, you may need surgery, chemotherapy, or radiation to treat the tumor.

Therapy to Address Speech Impediment

Therapy for speech impairment is interactive and directed by a specialist who is experienced in treating speech problems . Sometimes, children receive speech therapy as part of a specialized learning program at school.

The duration and frequency of your speech therapy program depend on the underlying cause of your impediment, your improvement, and approval from your health insurance.

If you or your child has a serious speech problem, you may qualify for speech therapy. Working with your therapist can help you build confidence, particularly as you begin to see improvement.

Exercises during speech therapy may include:

• Pronouncing individual sounds, such as la la la or da da da
• Practicing pronunciation of words that you have trouble pronouncing
• Adjusting the rate or volume of your speech
• Mouth exercises
• Practicing language skills by naming objects or repeating what the therapist is saying

These therapies are meant to help achieve more fluent and understandable speech as well as an increased comfort level with speech and language.

Building Confidence With Speech Problems 

Some types of speech impairment might not qualify for therapy. If you have speech difficulties due to anxiety or a social phobia or if you don’t have access to therapy, you might benefit from activities that can help you practice your speech. 

You might consider one or more of the following for you or your child:

• Joining a local theater group
• Volunteering in a school or community activity that involves interaction with the public
• Signing up for a class that requires a significant amount of class participation
• Joining a support group for people who have problems with speech

Activities that you do on your own to improve your confidence with speaking can be most beneficial when you are in a non-judgmental and safe space.

Many different types of speech problems can affect children and adults. Some of these are congenital (present from birth), while others are acquired due to health conditions, medication side effects, substances, or mood and anxiety disorders. Because there are so many different types of speech problems, seeking a medical diagnosis so you can get the right therapy for your specific disorder is crucial.

Centers for Disease Control and Prevention. Language and speech disorders in children .

Han C, Tang J, Tang B, et al. The effectiveness and safety of noninvasive brain stimulation technology combined with speech training on aphasia after stroke: a systematic review and meta-analysis . Medicine (Baltimore). 2024;103(2):e36880. doi:10.1097/MD.0000000000036880

National Institute on Deafness and Other Communication Disorders. Quick statistics about voice, speech, language .

Mackey J, McCulloch H, Scheiner G, et al. Speech pathologists' perspectives on the use of augmentative and alternative communication devices with people with acquired brain injury and reflections from lived experience . Brain Impair. 2023;24(2):168-184. doi:10.1017/BrImp.2023.9

Allison KM, Doherty KM. Relation of speech-language profile and communication modality to participation of children with cerebral palsy . Am J Speech Lang Pathol . 2024:1-11. doi:10.1044/2023_AJSLP-23-00267

Saccente-Kennedy B, Gillies F, Desjardins M, et al. A systematic review of speech-language pathology interventions for presbyphonia using the rehabilitation treatment specification system . J Voice. 2024:S0892-1997(23)00396-X. doi:10.1016/j.jvoice.2023.12.010

By Heidi Moawad, MD Dr. Moawad is a neurologist and expert in brain health. She regularly writes and edits health content for medical books and publications.

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Types of Speech Impediments

Sanjana is a health writer and editor. Her work spans various health-related topics, including mental health, fitness, nutrition, and wellness.

Steven Gans, MD is board-certified in psychiatry and is an active supervisor, teacher, and mentor at Massachusetts General Hospital.

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Articulation Errors

Ankyloglossia, treating speech disorders.

A speech impediment, also known as a speech disorder , is a condition that can affect a person’s ability to form sounds and words, making their speech difficult to understand.

Speech disorders generally become evident in early childhood, as children start speaking and learning language. While many children initially have trouble with certain sounds and words, most are able to speak easily by the time they are five years old. However, some speech disorders persist. Approximately 5% of children aged three to 17 in the United States experience speech disorders.

There are many different types of speech impediments, including:

• Articulation errors

This article explores the causes, symptoms, and treatment of the different types of speech disorders.

Speech impediments that break the flow of speech are known as disfluencies. Stuttering is the most common form of disfluency, however there are other types as well.

Symptoms and Characteristics of Disfluencies

These are some of the characteristics of disfluencies:

• Repeating certain phrases, words, or sounds after the age of 4 (For example: “O…orange,” “I like…like orange juice,” “I want…I want orange juice”)
• Adding in extra sounds or words into sentences (For example: “We…uh…went to buy…um…orange juice”)
• Elongating words (For example: Saying “orange joooose” instead of "orange juice")
• Replacing words (For example: “What…Where is the orange juice?”)
• Hesitating while speaking (For example: A long pause while thinking)
• Pausing mid-speech (For example: Stopping abruptly mid-speech, due to lack of airflow, causing no sounds to come out, leading to a tense pause)

In addition, someone with disfluencies may also experience the following symptoms while speaking:

• Vocal tension and strain
• Head jerking
• Eye blinking
• Lip trembling

Causes of Disfluencies

People with disfluencies tend to have neurological differences in areas of the brain that control language processing and coordinate speech, which may be caused by:

• Genetic factors
• Trauma or infection to the brain
• Environmental stressors that cause anxiety or emotional distress
• Neurodevelopmental conditions like attention-deficit hyperactivity disorder (ADHD)

Articulation disorders occur when a person has trouble placing their tongue in the correct position to form certain speech sounds. Lisping is the most common type of articulation disorder.

Symptoms and Characteristics of Articulation Errors

These are some of the characteristics of articulation disorders:

• Substituting one sound for another . People typically have trouble with ‘r’ and ‘l’ sounds. (For example: Being unable to say “rabbit” and saying “wabbit” instead)
• Lisping , which refers specifically to difficulty with ‘s’ and ‘z’ sounds. (For example: Saying “thugar” instead of “sugar” or producing a whistling sound while trying to pronounce these letters)
• Omitting sounds (For example: Saying “coo” instead of “school”)
• Adding sounds (For example: Saying “pinanio” instead of “piano”)
• Making other speech errors that can make it difficult to decipher what the person is saying. For instance, only family members may be able to understand what they’re trying to say.

Causes of Articulation Errors

Articulation errors may be caused by:

• Genetic factors, as it can run in families
• Hearing loss , as mishearing sounds can affect the person’s ability to reproduce the sound
• Changes in the bones or muscles that are needed for speech, including a cleft palate (a hole in the roof of the mouth) and tooth problems
• Damage to the nerves or parts of the brain that coordinate speech, caused by conditions such as cerebral palsy , for instance

Ankyloglossia, also known as tongue-tie, is a condition where the person’s tongue is attached to the bottom of their mouth. This can restrict the tongue’s movement and make it hard for the person to move their tongue.

Symptoms and Characteristics of Ankyloglossia

Ankyloglossia is characterized by difficulty pronouncing ‘d,’ ‘n,’ ‘s,’ ‘t,’ ‘th,’ and ‘z’ sounds that require the person’s tongue to touch the roof of their mouth or their upper teeth, as their tongue may not be able to reach there.

Apart from speech impediments, people with ankyloglossia may also experience other symptoms as a result of their tongue-tie. These symptoms include:

• Difficulty breastfeeding in newborns
• Trouble swallowing
• Limited ability to move the tongue from side to side or stick it out
• Difficulty with activities like playing wind instruments, licking ice cream, or kissing
• Mouth breathing

Causes of Ankyloglossia

Ankyloglossia is a congenital condition, which means it is present from birth. A tissue known as the lingual frenulum attaches the tongue to the base of the mouth. People with ankyloglossia have a shorter lingual frenulum, or it is attached further along their tongue than most people’s.

Dysarthria is a condition where people slur their words because they cannot control the muscles that are required for speech, due to brain, nerve, or organ damage.

Symptoms and Characteristics of Dysarthria

Dysarthria is characterized by:

• Slurred, choppy, or robotic speech
• Rapid, slow, or soft speech
• Breathy, hoarse, or nasal voice

Additionally, someone with dysarthria may also have other symptoms such as difficulty swallowing and inability to move their tongue, lips, or jaw easily.

Causes of Dysarthria

Dysarthria is caused by paralysis or weakness of the speech muscles. The causes of the weakness can vary depending on the type of dysarthria the person has:

• Central dysarthria is caused by brain damage. It may be the result of neuromuscular diseases, such as cerebral palsy, Huntington’s disease, multiple sclerosis, muscular dystrophy, Huntington’s disease, Parkinson’s disease, or Lou Gehrig’s disease. Central dysarthria may also be caused by injuries or illnesses that damage the brain, such as dementia, stroke, brain tumor, or traumatic brain injury .
• Peripheral dysarthria is caused by damage to the organs involved in speech. It may be caused by congenital structural problems, trauma to the mouth or face, or surgery to the tongue, mouth, head, neck, or voice box.

Apraxia, also known as dyspraxia, verbal apraxia, or apraxia of speech, is a neurological condition that can cause a person to have trouble moving the muscles they need to create sounds or words. The person’s brain knows what they want to say, but is unable to plan and sequence the words accordingly.

Symptoms and Characteristics of Apraxia

These are some of the characteristics of apraxia:

• Distorting sounds: The person may have trouble pronouncing certain sounds, particularly vowels, because they may be unable to move their tongue or jaw in the manner required to produce the right sound. Longer or more complex words may be especially harder to manage.
• Being inconsistent in their speech: For instance, the person may be able to pronounce a word correctly once, but may not be able to repeat it. Or, they may pronounce it correctly today and differently on another day.
• Grasping for words: The person may appear to be searching for the right word or sound, or attempt the pronunciation several times before getting it right.
• Making errors with the rhythm or tone of speech: The person may struggle with using tone and inflection to communicate meaning. For instance, they may not stress any of the words in a sentence, have trouble going from one syllable in a word to another, or pause at an inappropriate part of a sentence.

Causes of Apraxia

Apraxia occurs when nerve pathways in the brain are interrupted, which can make it difficult for the brain to send messages to the organs involved in speaking. The causes of these neurological disturbances can vary depending on the type of apraxia the person has:

• Childhood apraxia of speech (CAS): This condition is present from birth and is often hereditary. A person may be more likely to have it if a biological relative has a learning disability or communication disorder.
• Acquired apraxia of speech (AOS): This condition can occur in adults, due to brain damage as a result of a tumor, head injury , stroke, or other illness that affects the parts of the brain involved in speech.

If you have a speech impediment, or suspect your child might have one, it can be helpful to visit your healthcare provider. Your primary care physician can refer you to a speech-language pathologist, who can evaluate speech, diagnose speech disorders, and recommend treatment options.

The diagnostic process may involve a physical examination as well as psychological, neurological, or hearing tests, in order to confirm the diagnosis and rule out other causes.

Treatment for speech disorders often involves speech therapy, which can help you learn how to move your muscles and position your tongue correctly in order to create specific sounds. It can be quite effective in improving your speech.

Children often grow out of milder speech disorders; however, special education and speech therapy can help with more serious ones.

For ankyloglossia, or tongue-tie, a minor surgery known as a frenectomy can help detach the tongue from the bottom of the mouth.

A Word From Verywell

A speech impediment can make it difficult to pronounce certain sounds, speak clearly, or communicate fluently. 

Living with a speech disorder can be frustrating because people may cut you off while you’re speaking, try to finish your sentences, or treat you differently. It can be helpful to talk to your healthcare providers about how to cope with these situations.

You may also benefit from joining a support group, where you can connect with others living with speech disorders.

National Library of Medicine. Speech disorders . Medline Plus.

Centers for Disease Control and Prevention. Language and speech disorders .

Cincinnati Children's Hospital. Stuttering .

National Institute on Deafness and Other Communication Disorders. Quick statistics about voice, speech, and language .

Cleveland Clinic. Speech impediment .

Lee H, Sim H, Lee E, Choi D. Disfluency characteristics of children with attention-deficit/hyperactivity disorder symptoms . J Commun Disord . 2017;65:54-64. doi:10.1016/j.jcomdis.2016.12.001

Nemours Foundation. Speech problems .

Penn Medicine. Speech and language disorders .

Cleveland Clinic. Tongue-tie .

University of Rochester Medical Center. Ankyloglossia .

Cleveland Clinic. Dysarthria .

National Institute on Deafness and Other Communication Disorders. Apraxia of speech .

Cleveland Clinic. Childhood apraxia of speech .

Stanford Children’s Hospital. Speech sound disorders in children .

Abbastabar H, Alizadeh A, Darparesh M, Mohseni S, Roozbeh N. Spatial distribution and the prevalence of speech disorders in the provinces of Iran . J Med Life . 2015;8(Spec Iss 2):99-104.

By Sanjana Gupta Sanjana is a health writer and editor. Her work spans various health-related topics, including mental health, fitness, nutrition, and wellness.

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Home / Blog

Speech Impediment Guide: Definition, Causes, and Resources

December 8, 2020 

Tables of Contents

What Is a Speech Impediment?

Types of speech disorders, speech impediment causes, how to fix a speech impediment, making a difference in speech disorders.

Communication is a cornerstone of human relationships. When an individual struggles to verbalize information, thoughts, and feelings, it can cause major barriers in personal, learning, and business interactions.

Speech impediments, or speech disorders, can lead to feelings of insecurity and frustration. They can also cause worry for family members and friends who don’t know how to help their loved ones express themselves.

Fortunately, there are a number of ways that speech disorders can be treated, and in many cases, cured. Health professionals in fields including speech-language pathology and audiology can work with patients to overcome communication disorders, and individuals and families can learn techniques to help.

Commonly referred to as a speech disorder, a speech impediment is a condition that impacts an individual’s ability to speak fluently, correctly, or with clear resonance or tone. Individuals with speech disorders have problems creating understandable sounds or forming words, leading to communication difficulties.

Some 7.7% of U.S. children — or 1 in 12 youths between the ages of 3 and 17 — have speech, voice, language, or swallowing disorders, according to the National Institute on Deafness and Other Communication Disorders (NIDCD). About 70 million people worldwide, including some 3 million Americans, experience stuttering difficulties, according to the Stuttering Foundation.

Common signs of a speech disorder

There are several symptoms and indicators that can point to a speech disorder.

• Unintelligible speech — A speech disorder may be present when others have difficulty understanding a person’s verbalizations.
• Omitted sounds — This symptom can include the omission of part of a word, such as saying “bo” instead of “boat,” and may include omission of consonants or syllables.
• Added sounds — This can involve adding extra sounds in a word, such as “buhlack” instead of “black,” or repeating sounds like “b-b-b-ball.”
• Substituted sounds — When sounds are substituted or distorted, such as saying “wabbit” instead of “rabbit,” it may indicate a speech disorder.
• Use of gestures — When individuals use gestures to communicate instead of words, a speech impediment may be the cause.
• Inappropriate pitch — This symptom is characterized by speaking with a strange pitch or volume.

In children, signs might also include a lack of babbling or making limited sounds. Symptoms may also include the incorrect use of specific sounds in words, according to the American Speech-Language-Hearing Association (ASHA). This may include the sounds p, m, b, w, and h among children aged 1-2, and k, f, g, d, n, and t for children aged 2-3.

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Categories of Speech Impediments

Speech impediments can range from speech sound disorders (articulation and phonological disorders) to voice disorders. Speech sound disorders may be organic — resulting from a motor or sensory cause — or may be functional with no known cause. Voice disorders deal with physical problems that limit speech. The main categories of speech impediments include the following:

Fluency disorders occur when a patient has trouble with speech timing or rhythms. This can lead to hesitations, repetitions, or prolonged sounds. Fluency disorders include stuttering (repetition of sounds) or   (rapid or irregular rate of speech).

Resonance disorders are related to voice quality that is impacted by the shape of the nose, throat, and/or mouth. Examples of resonance disorders include hyponasality and cul-de-sac resonance.

Articulation disorders occur when a patient has difficulty producing speech sounds. These disorders may stem from physical or anatomical limitations such as muscular, neuromuscular, or skeletal support. Examples of articulation speech impairments include sound omissions, substitutions, and distortions.

Phonological disorders result in the misuse of certain speech sounds to form words. Conditions include fronting, stopping, and the omission of final consonants.

Voice disorders are the result of problems in the larynx that harm the quality or use of an individual’s voice. This can impact pitch, resonance, and loudness.

Impact of Speech Disorders

Some speech disorders have little impact on socialization and daily activities, but other conditions can make some tasks difficult for individuals. Following are a few of the impacts of speech impediments.

• Poor communication — Children may be unable to participate in certain learning activities, such as answering questions or reading out loud, due to communication difficulties. Adults may avoid work or social activities such as giving speeches or attending parties.
• Mental health and confidence — Speech disorders may cause children or adults to feel different from peers, leading to a lack of self-confidence and, potentially, self-isolation.

Resources on Speech Disorders

The following resources may help those who are seeking more information about speech impediments.

Health Information : Information and statistics on common voice and speech disorders from the NIDCD

Speech Disorders : Information on childhood speech disorders from Cincinnati Children’s Hospital Medical Center

Speech, Language, and Swallowing : Resources about speech and language development from the ASHA

Children and adults can suffer from a variety of speech impairments that may have mild to severe impacts on their ability to communicate. The following 10 conditions are examples of specific types of speech disorders and voice disorders.

1. Stuttering

This condition is one of the most common speech disorders. Stuttering is the repetition of syllables or words, interruptions in speech, or prolonged use of a sound.

This organic speech disorder is a result of damage to the neural pathways that connect the brain to speech-producing muscles. This results in a person knowing what they want to say, but being unable to speak the words.

This consists of the lost ability to speak, understand, or write languages. It is common in stroke, brain tumor, or traumatic brain injury patients.

4. Dysarthria

This condition is an organic speech sound disorder that involves difficulty expressing certain noises. This may involve slurring, or poor pronunciation, and rhythm differences related to nerve or brain disorders.

The condition of lisping is the replacing of sounds in words, including “th” for “s.” Lisping is a functional speech impediment.

6. Hyponasality

This condition is a resonance disorder related to limited sound coming through the nose, causing a “stopped up” quality to speech.

7. Cul-de-sac resonance

This speech disorder is the result of blockage in the mouth, throat, or nose that results in quiet or muffled speech.

8. Orofacial myofunctional disorders

These conditions involve abnormal patterns of mouth and face movement. Conditions include tongue thrusting (fronting), where individuals push out their tongue while eating or talking.

9. Spasmodic Dysphonia

This condition is a voice disorder in which spasms in the vocal cords produce speech that is hoarse, strained, or jittery.

10. Other voice disorders

These conditions can include having a voice that sounds breathy, hoarse, or scratchy. Some disorders deal with vocal folds closing when they should open (paradoxical vocal fold movement) or the presence of polyps or nodules in the vocal folds.

Speech Disorders vs. Language Disorders

Speech disorders deal with difficulty in creating sounds due to articulation, fluency, phonology, and voice problems. These problems are typically related to physical, motor, sensory, neurological, or mental health issues.

Language disorders, on the other hand, occur when individuals have difficulty communicating the meaning of what they want to express. Common in children, these disorders may result in low vocabulary and difficulty saying complex sentences. Such a disorder may reflect difficulty in comprehending school lessons or adopting new words, or it may be related to a learning disability such as dyslexia. Language disorders can also involve receptive language difficulties, where individuals have trouble understanding the messages that others are trying to convey.  

Resources on Types of Speech Disorders

The following resources may provide additional information on the types of speech impediments.

Common Speech Disorders: A guide to the most common speech impediments from GreatSpeech

Speech impairment in adults: Descriptions of common adult speech issues from MedlinePlus

Stuttering Facts: Information on stuttering indications and causes from the Stuttering Foundation

Speech disorders may be caused by a variety of factors related to physical features, neurological ailments, or mental health conditions. In children, they may be related to developmental issues or unknown causes and may go away naturally over time.

Physical and neurological issues. Speech impediment causes related to physical characteristics may include:

• Brain damage
• Nervous system damage
• Respiratory system damage
• Hearing difficulties
• Cancerous or noncancerous growths
• Muscle and bone problems such as dental issues or cleft palate

Mental health issues. Some speech disorders are related to clinical conditions such as:

• Autism spectrum disorder
• Down syndrome or other genetic syndromes
• Cerebral palsy or other neurological disorders
• Multiple sclerosis

Some speech impairments may also have to do with family history, such as when parents or siblings have experienced language or speech difficulties. Other causes may include premature birth, pregnancy complications, or delivery difficulties. Voice overuse and chronic coughs can also cause speech issues.

The most common way that speech disorders are treated involves seeking professional help. If patients and families feel that symptoms warrant therapy, health professionals can help determine how to fix a speech impediment. Early treatment is best to curb speech disorders, but impairments can also be treated later in life.

Professionals in the speech therapy field include speech-language pathologists (SLPs) . These practitioners assess, diagnose, and treat communication disorders including speech, language, social, cognitive, and swallowing disorders in both adults and children. They may have an SLP assistant to help with diagnostic and therapy activities.

Speech-language pathologists may also share a practice with audiologists and audiology assistants. Audiologists help identify and treat hearing, balance, and other auditory disorders.

How Are Speech Disorders Diagnosed?

Typically, a pediatrician, social worker, teacher, or other concerned party will recognize the symptoms of a speech disorder in children. These individuals, who frequently deal with speech and language conditions and are more familiar with symptoms, will recommend that parents have their child evaluated. Adults who struggle with speech problems may seek direct guidance from a physician or speech evaluation specialist.

When evaluating a patient for a potential speech impediment, a physician will:

• Conduct hearing and vision tests
• Evaluate patient records
• Observe patient symptoms

A speech-language pathologist will conduct an initial screening that might include:

• An evaluation of speech sounds in words and sentences
• An evaluation of oral motor function
• An orofacial examination
• An assessment of language comprehension

The initial screening might result in no action if speech symptoms are determined to be developmentally appropriate. If a disorder is suspected, the initial screening might result in a referral for a comprehensive speech sound assessment, comprehensive language assessment, audiology evaluation, or other medical services.

Initial assessments and more in-depth screenings might occur in a private speech therapy practice, rehabilitation center, school, childcare program, or early intervention center. For older adults, skilled nursing centers and nursing homes may assess patients for speech, hearing, and language disorders.

How Are Speech Impediments Treated?

Once an evaluation determines precisely what type of speech sound disorder is present, patients can begin treatment. Speech-language pathologists use a combination of therapy, exercise, and assistive devices to treat speech disorders.

Speech therapy might focus on motor production (articulation) or linguistic (phonological or language-based) elements of speech, according to ASHA. There are various types of speech therapy available to patients.

Contextual Utilization  — This therapeutic approach teaches methods for producing sounds consistently in different syllable-based contexts, such as phonemic or phonetic contexts. These methods are helpful for patients who produce sounds inconsistently.

Phonological Contrast — This approach focuses on improving speech through emphasis of phonemic contrasts that serve to differentiate words. Examples might include minimal opposition words (pot vs. spot) or maximal oppositions (mall vs. call). These therapy methods can help patients who use phonological error patterns.

Distinctive Feature — In this category of therapy, SLPs focus on elements that are missing in speech, such as articulation or nasality. This helps patients who substitute sounds by teaching them to distinguish target sounds from substituted sounds.

Core Vocabulary — This therapeutic approach involves practicing whole words that are commonly used in a specific patient’s communications. It is effective for patients with inconsistent sound production.

Metaphon — In this type of therapy, patients are taught to identify phonological language structures. The technique focuses on contrasting sound elements, such as loud vs. quiet, and helps patients with unintelligible speech issues.

Oral-Motor — This approach uses non-speech exercises to supplement sound therapies. This helps patients gain oral-motor strength and control to improve articulation.

Other methods professionals may use to help fix speech impediments include relaxation, breathing, muscle strengthening, and voice exercises. They may also recommend assistive devices, which may include:

• Radio transmission systems
• Personal amplifiers
• Picture boards
• Touch screens
• Text displays
• Speech-generating devices
• Hearing aids
• Cochlear implants

Resources for Professionals on How to Fix a Speech Impediment

The following resources provide information for speech therapists and other health professionals.

Assistive Devices: Information on hearing and speech aids from the NIDCD

Information for Audiologists: Publications, news, and practice aids for audiologists from ASHA

Information for Speech-Language Pathologists: Publications, news, and practice aids for SLPs from ASHA

Speech Disorder Tips for Families

For parents who are concerned that their child might have a speech disorder — or who want to prevent the development of a disorder — there are a number of activities that can help. The following are tasks that parents can engage in on a regular basis to develop literacy and speech skills.

• Introducing new vocabulary words
• Reading picture and story books with various sounds and patterns
• Talking to children about objects and events
• Answering children’s questions during routine activities
• Encouraging drawing and scribbling
• Pointing to words while reading books
• Pointing out words and sentences in objects and signs

Parents can take the following steps to make sure that potential speech impediments are identified early on.

• Discussing concerns with physicians
• Asking for hearing, vision, and speech screenings from doctors
• Requesting special education assessments from school officials
• Requesting a referral to a speech-language pathologist, audiologist, or other specialist

When a child is engaged in speech therapy, speech-language pathologists will typically establish collaborative relationships with families, sharing information and encouraging parents to participate in therapy decisions and practices.

SLPs will work with patients and their families to set goals for therapy outcomes. In addition to therapy sessions, they may develop activities and exercises for families to work on at home. It is important that caregivers are encouraging and patient with children during therapy.  

Resources for Parents on How to Fix a Speech Impediment

The following resources provide additional information on treatment options for speech disorders.

Speech, Language, and Swallowing Disorders Groups: Listing of self-help groups from ASHA

ProFind: Search tool for finding certified SLPs and audiologists from ASHA

Baby’s Hearing and Communication Development Checklist: Listing of milestones that children should meet by certain ages from the NIDCD

If identified during childhood, speech disorders can be corrected efficiently, giving children greater communication opportunities. If left untreated, speech impediments can cause a variety of problems in adulthood, and may be more difficult to diagnose and treat.

Parents, teachers, doctors, speech and language professionals, and other concerned parties all have unique responsibilities in recognizing and treating speech disorders. Through professional therapy, family engagement, positive encouragement and a strong support network, individuals with speech impediments can overcome their challenges and develop essential communication skills.

Additional Sources

American Speech-Language-Hearing Association, Speech Sound Disorders

Identify the Signs, Signs of Speech and Language Disorders

Intermountain Healthcare, Phonological Disorders

MedlinePlus, Speech disorders – children

National Institutes of Health, National Institutes on Deafness and Other Communication Disorders, “Quick Statistics About Voice, Speech, Language”

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Common Speech Impediments: Causes, Symptoms, Treatment, And Support

Speech impediments include a variety of both language and speech disorders, some of which can be addressed through  online speech therapy  with speech-language pathologists. They can arise because of heredity and genetics, developmental delays, or even damage to Broca’s area—the part of the brain that’s involved in language skills and speech skills. They may also be linked to other conditions like autism spectrum disorder, cerebral palsy, dyslexia, or even hearing loss. It depends on the type and the cause, but most speech impediments and speech impairments can be treated through speech therapy.

That said, recognizing when a speech impediment may be present can help you get yourself or your child the treatment and support they may need for improved academic and/or social functioning and self-confidence.

Common symptoms of a speech impediment

There are many different types of speech impediments a person can have, so the symptoms can vary. That said, those listed below are common symptoms that could be initial indicators that you or your child may be experiencing speech problems or challenges:

• Elongating words
• Quiet or muffled speech
• Blinking frequently
• Distorted sounds while talking
• Frequent changes in pitch
• Poor voice quality
• Visible frustration when trying to communicate
• Overall difficulty communicating and expressing thoughts and ideas
• Inability to repeat words
• Inability to pronounce words the same way twice
• A phobia of speaking in public
• Speaking slowly and carefully
• Speech delay
• Frequent pauses when talking
• Limited vocabulary over several years, delayed language development

Some speech and language disorders are consistent with underlying mental health conditions such as autism. You can visit licensed health professionals or speech therapists to receive an accurate diagnosis and find out how to treat a speech impediment or language disorder, and its underlying cause, if applicable.

Key categories of speech impediments

Speech impediments or communication disorders can take many forms, from speech sound disorders to voice-related disorders. While speech sound disorders mostly result from sensory or motor causes, voice-related disorders deal with physical problems regarding speech. Read on for a list of some of the most common categories of speech impediments.

Voice disorders

Voice disorders  primarily arise due to issues regarding the health and structure of the larynx or the voice box. They can impact pitch, resonance, volume, and voice quality. Symptoms of a voice disorder may include having a hoarse, quivering, strained, choppy, or weak and whispery voice, which can make it difficult to produce speech sounds.

The root cause of these disorders can be either organic, like alterations to respiratory, laryngeal, or vocal tract mechanisms, or functional, like improper use of the voice. Some risk factors that may contribute to vocal health challenges include allergies, psychological stress, age, excessive alcohol or drug use, screaming, scarring from neck surgery, or even gastroesophageal reflux disease (GERD). Examples of voice disorders include laryngitis, vocal cord paralysis/weakness, polyps or nodes present on the vocal cords, leukoplakia, or muscle tension dysphonia.

Fluency disorders

A person may be diagnosed with a fluency disorder if they have trouble with speech timing and rhythm which makes it difficult to create a normal speech pattern. These disorders are characterized by interruptions in the typical flow of speaking, including abnormal repetitions, hesitation, and prolongations. Their cause is unknown, but it may be genetic. Symptoms can also be exacerbated by stress and anxiety. Stuttering is the most common example of fluency disorders. 

Symptoms of a fluency disorder may include dragging out syllables, speaking breathlessly, repetition of words, speaking slowly, and being tense while speaking. Secondary symptoms may include fidgeting, mumbling, saying “um” or “uh” often, not using certain problematic words, rearranging words in sentences, and anxiety around speaking. Treatment options vary depending on the specific disorder. With stuttering, for example, slowing down, practicing, using speech monitors, attending speech therapy, and receiving cognitive behavioral therapy (CBT) are all potential treatment options.

Articulation disorders and phonological disorders

Articulation and phonological disorders are two types of speech disorders classified as speech sound disorders that may impact communication. An articulation disorder includes speech that commonly exhibits errors such as substitution, omission, distortion, and/or addition (SODA). Although the actual causes of articulation disorders aren’t well understood, contributing factors may include brain injuries, a cleft palate/cleft lip, or nerve damage. Phonological disorders typically involve producing sounds correctly but using them in the wrong place and are more predictable than articulation errors. There may also be a genetic factor that contributes to both disorders and other families may be impacted as well. A licensed speech-language pathologist (SLP) can determine if an individual may have an articulation disorder or a phonological disorder. Ongoing speech therapy is typically the recommended treatment method.

Speech impediments versus language impairments

A speech impediment is typically characterized by difficulty creating sound due to factors like fluency disorders or other voice problems. These disorders may arise from underlying mental health issues, neurological problems, or physical factors or conditions impacting speech muscles.

Language impairments, on the other hand, are more about difficulty processing, reading, and writing and can be connected to an issue processing receptive language. They’re common in children, especially when they first start school. Language impairments relate to meaning, whereas speech impediments relate to sound. It’s also very common for a language impairment disorder to present alongside a learning disability like dyslexia.

Examples of speech impediments

Below is a brief overview of a few of the most common speech disorders and speech impediments, along with symptoms and potential treatment options.

Apraxia  of speech is a speech sound disorder that affects the pathways of the brain. It’s characterized by a person having difficulty expressing their thoughts accurately and consistently. It involves the brain being able to form the words and knowing exactly what to say, but the person then being unable to properly execute the required speech movements to deliver accurate sounds. In mild cases, a person will only have small limitations in their ability to form speech sounds. In severe cases, alternate communication methods may need to be used.

An SLP is the type of provider who can diagnose apraxia. To diagnose speech disorders, including both childhood apraxia (sometimes called verbal apraxia) and acquired apraxia, they may ask the individual to perform simple speech tasks like repeating a particular word several times or repeating a list of words that increase in length. Apraxia generally needs to be monitored by both parents and an SLP over time for an accurate diagnosis to be possible.

There are various treatment options for apraxia, the most common being one-on-one meetings with a speech pathologist. They’ll likely help you or your child build helpful strategies and skills to help strengthen problem areas and communicate more clearly. Some other treatment methods include improving speech intelligibility or using alternate forms of communication, like electronic speech or manual signs and gestures.

The National Institute on Deafness and Other Communication Disorders describes aphasia as a communication disorder that results in a person’s inability to speak, write, and/or understand language. Like other communication disorders, it may occur because of damage to the portions of the brain that are involved in language, which is common in those who have experienced a stroke. It may also come on gradually in those who have a tumor or a progressive neurological disease like Alzheimer’s. Symptoms may include saying or writing sentences that don’t make sense, a reduction in a person’s ability to understand a conversation, and substituting certain sounds and words for others.

Since this disorder is usually caused by damage to parts of the brain, it will typically first be recognized in an MRI or CT scan that can confirm the presence of a brain injury. The extent and type of aphasia can generally only be determined by observing the affected part of the brain and determining how extensively it has been damaged, which is often done with the help of an SLP.

Treatment options for aphasia can be restorative (aimed at restoring impaired function) or compensatory (aimed at compensating for deficits).

Dysarthria 

Dysarthria is usually caused by brain damage or facial paralysis that affects the muscles of the jaw, tongue, or throat, which may result in deficits in a person’s speech. It may also be caused by other conditions like Lou Gehrig’s disease, Parkinson’s, or a stroke. It’s considered a nervous system disorder, subclassified as a motor speech disorder. It’s commonly seen in those who already have other speech disorders, such as aphasia or apraxia. Symptoms of dysarthria include slurred speech, speaking too slowly, speaking too quickly, speaking very softly, being unable to move one’s lips or jaw, and having monotonous speech.

Dysarthria can be diagnosed by an expert in speech-language pathology through an exam and tests like MRI, CT, electromyography, or the Denver articulation screening examination. Treatment depends upon the severity and rate of progression of the disorder. Some potential examples include tactics like slowing down while talking, doing exercises to help strengthen jaw muscles, moving the lips and tongue more, and learning strategies for speaking more loudly. Hand gestures and speech machines may also help. 

The importance of treatment

It is important to treat speech disorders; the consequences of an untreated speech or language impediment can vary widely depending on the type, symptoms, and severity, as well as the age and life situation of the individual. In general, it’s usually helpful to seek professional advice on treating speech disorders as soon as you notice or suspect an impediment present in yours or your child’s speech. Especially for moderate to severe cases, some potential effects of leaving these common speech disorders untreated can include:

• Poor academic performance/dropping out of school
• Decrease in quality of life
• Social anxiety and an inability to connect with people
• Damaged relationships
• Social isolation
• Hospitalization

Seeking professional support

Meeting with an SLP is usually the recommended first step for someone who believes they or their child may have a speech impediment. If you have a teenager with dyslexia, there are  resources for dyslexic teens  that can give supportive information about the condition. Healthcare providers may also provide helpful insights and ask about your family members’ history when it comes to speech and language-related issues as they can be hereditary. While these professionals can help with the physical aspects of a variety of speech and language impediments, you or your child may also benefit from emotional support in relation to the mental health effects of having an impediment. A therapist may be able to provide this type of guidance. If your child is experiencing a speech impediment, a counselor may be able to work with them to process their feelings of frustration and learn healthy coping mechanisms for stress. They can help you manage the same feelings if you receive a speech or language impediment diagnosis, or may be able to support you in your journey of parenting a child with a speech or language impediment diagnosis.

In addition to support at home, teenagers with a diagnosed speech impairment or impediment can receive special education services at school. The Centers for Disease Control notes that under the Individuals with Disabilities Act (IDEA) and Section 504, schools must provide support and accommodations for students with speech disorders. For some children, support groups can provide outlets for social connections and advice for coping. 

Meeting with a therapist in person is an option if there are providers in your area. That said, many people find it less intimidating or more comfortable to meet with a therapist virtually. For example, a teen who is experiencing a speech or language impediment may feel better interacting with a counselor through the online chat feature that virtual therapy platforms like TeenCounseling provide. It may allow them to express themselves more clearly than they could face-to-face or over the phone. Parents who need support in caring for a child with a speech or language impediment may find the availability and convenience of meeting with a therapist through an online therapy service like BetterHelp to be most beneficial. Research suggests that online and in-person therapy offer similar benefits for a variety of conditions, so you can choose the format that’s best for you.

Counselor reviews

See below for reviews of TeenCounseling therapists written by parents who sought help for their children through this service. 

“Kathleen has been good for my daughter to talk to. I am thankful for her to give my daughter someone else's perspective other than her parents. Thank you.”

“I love Ms. Jones. She doesn’t over-talk or judge you. She gives really good advice and if you're confused she knows how to break it down or explain whatever it is so you can understand. If you need to talk about anything, she’s always an open ear and responds quickly. Not only does she give you points from others' perspectives but she steps into yours so she can understand why certain things are the way they are. In my first session, I was nervous and I think she could tell. She’ll crack a joke every now and then to make me feel more comfortable. She’s just such a bundle of joy and a good counselor to have.”

Speech and language impediments can vary widely in terms of types, causes, symptoms, and severity. These are diagnosed by professionals in the field of speech and language pathology or by a medical doctor. A therapist can provide emotional support for those who are having difficulty coping with their own or their child’s diagnosis or other related challenges. 

What are the 3 speech impediments?

Speech impediments can manifest in a variety of ways. Three of the most common are listed below: 

• Voice disorders affect the tone, pitch, quality, and volume of a person’s voice. A person with a voice disorder may have difficulty speaking or being heard clearly by others. Voice disorders can be either functional or organic. Functional disorders occur due to improper use of the parts of the throat that produce speech, such as overuse of the voice leading to vocal fatigue. Organic voice disorders result from physical anatomical changes, such as nodules on the vocal cords. 
• Fluency disorders affect the rate, rhythm, and cadence of speech. Those with fluency disorders may speak in a disjointed, choppy, or prolonged fashion, making them difficult for others to understand clearly. While many types of fluency disorders exist, stuttering is likely the best-known. Speech often requires precise timing to convey a message accurately, which fluency disorders can disrupt. 
• Speech sound disorders are a broad category of disorders that interferes with a person’s ability to produce sounds and words correctly. Speech sound disorders can present very differently from person to person. Sometimes word sounds are omitted or added where not appropriate, and sometimes word sounds are distorted or substituted completely. A typical example of a speech sound disorder is the substitution of “r” for “w” in words like “rabbit” (becoming “wabbit”). Many children experience that substitution, but it does not become a disorder until the child does not outgrow it. 

Other types of disorders can cause problems with expressive communication or tongue-tie those experiencing them, such as developmental language disorder . Language disorders also cause concerns related to expressive communication, but the concerns are due to a lack of understanding of one or more components of language , not an inability to produce or use word sounds. 

What do you call a speech impediment?

Speech impediments are typically referred to as speech disorders . Speech refers to the ability to form speech sounds using the vocal cords, mouth, lips, and tongue. Speech also requires that a rhythm and cadence be maintained. Speech disorders indicate a problem producing intelligible speech; word sounds may be omitted or misplaced, the rhythm of the speech may be difficult to follow, or a person’s voice might be strangely pitched or too soft to hear clearly. 

It is important not to confuse speech disorders with language disorders . Language disorders arise due to difficulty understanding what words mean, how word sounds fit together, or how to use spoken language to communicate. Language problems may affect how a person speaks, but the root cause of the concern is linked to their understanding of language, not their ability to produce intelligible speech. 

How do I know if I have a speech impediment?

If you’re experiencing a sudden onset of impaired speech with no apparent cause, seek medical attention immediately. Strokes, traumatic brain injuries, and other serious medical conditions can cause sudden changes in speaking ability. Gradual changes in speaking ability may also indicate an underlying medical problem. If you’re concerned that your speaking ability has been gradually deteriorating, consider making an appointment with a healthcare provider in the near future. 

Most people with a speech disorder are diagnosed in childhood. Parents often identify speech-related concerns in early childhood based on their child’s speech patterns. The child’s pediatrician may also refer the child to a speech-language pathologist, a professional specializing in evaluating and treating speech disorders. If problems persist until the child is in school, teachers and other school officials might initiate a referral for an evaluation if they believe speech concerns are present. Children often receive speech and language therapy that resolves or improves their speech problems. 

Speech disorders also appear in adulthood, often due to injury or illness. It is also possible, although rare, for speech problems to be misdiagnosed or missed outright during a person’s childhood. In that case, the speech disorder may have been present since childhood and symptoms persisted into adulthood.

If you’re finding it difficult to communicate verbally with others, have an easily identifiable speech problem (like stuttering), or receive feedback that others have trouble understanding you, consider making an appointment with your doctor for an evaluation and referral to the appropriate healthcare providers. 

What are 5 causes of speech impairment?

Speech and language disorders can result from conditions that interfere with the development of perceptual, structural, motor, cognitive, or socioemotional functions. The cause of many speech disorders is unknown, but research has indicated several underlying factors that may be responsible: 

• Pre-existing genetic conditions, like Down’s syndrome or Fragile X syndrome. Evidence suggests that genes may play a role even if genetic abnormalities do not result in a diagnosable genetic condition. 
• Physical abnormalities, such as damage or improper development of the respiratory system, facial muscles, or cranial nerves. 
• Hearing problems, which can delay a child’s acquisition of speech. 
• Neurodevelopmental disorders, such as autism spectrum disorder, may interfere with speech development. There is also evidence to suggest that those with attention-deficit hyperactivity disorder may have a more challenging time acquiring speech skills. 
• Neurological conditions such as cerebral palsy. 

Mental health concerns can also cause problems communicating with others. For example, an underlying anxiety disorder may lead to selective mutism , wherein a child speaks only under certain circumstances. 

Is speech impediment a disability?

A speech-language disorder is considered a “ communication disability ” under the Americans with Disabilities Act (ADA). The ADA requires government and businesses to establish “effective communication” with people who have communication disabilities. Effective communication can be established in several ways. For those with a speech disorder, accommodation may be as simple as ensuring the person can get hold of writing materials if they need to express themselves quickly. In some cases, organizations may use a transliterator, or person trained to recognize unclear speech and repeat it clearly. 

Because speech disorders are known to lead to academic struggles in K-12 and higher education settings, they are categorized as a disability under the Individuals with Disabilities Education Improvement Act (IDEIA) . The IDEIA sets guidelines for all schools in the United States, public or not public, guaranteeing each child a right to accommodations and interventions for their speech disorder. 

Can I fix my speech impediment?

Whether or not a speech disorder can be completely eliminated depends heavily on individual factors. The cause of the disorder, its severity, and the type of speech dysfunction all play a role in determining whether a particular disorder can be completely resolved. While it is not possible to guarantee that a speech disorder can be “cured,” nearly all disorders are treatable, and improvement is likely possible. 

Can you treat a speech impediment?

Yes, many speech disorders are highly treatable. Most people receive treatment as children when most speech disorders become apparent. For children, speech-language pathologists will identify the specific speech disorder, search for an underlying cause, and design an intervention that targets that child’s speech problem. For example, a child who struggles with articulation errors and producing word sounds consistently may benefit from a contextual utilization approach . Contextual utilization leverages the fact that one sound is easier or more difficult to pronounce depending on which other sounds surround it. 

Speech disorders that emerge in adulthood may be more challenging to treat due to underlying factors, such as brain injury. Suppose an adult experiences a traumatic brain injury that affects their speaking ability. In that case, a speech-language pathologist may help them find alternative communication methods, such as using a computer. They may also help them directly restore some of their speaking ability by leading them through exercises that improve nerve function and muscle control.  

Is a speech impediment mental?

Speech disorders can be caused by various factors, many of which have nothing to do with the brain. However, there is a relationship between psychiatric mental health concerns and difficulty with spoken communication . Although researchers are still unsure of the exact cause, studies have identified a significant link between speech disorders and mental health disorders like schizophrenia, bipolar disorder, and major depression. 

Neurodevelopmental disorders, such as autism spectrum disorder and attention-deficit hyperactivity disorder, are also associated with an increased risk of developing a speech disorder. Although the link between neurodevelopmental disorders and speech disorders is not fully understood, evidence suggests that treating the speech disorder is still possible. 

Finally, speech disorders can also be caused by illness or injury in the brain, such as cancer, an infection, or traumatic brain injury. Although these are not considered mental or developmental disorders, they may affect brain function and mental acuity. Speaking is a complex process, and there are many ways it can be affected. 

Is autism a speech impediment?

Autism spectrum disorder is not a speech disorder, but it is heavily associated with communication problems. Those on the autism spectrum often use repetitive or rigid language and may not follow communication norms. They may repeat phrases continuously, use a modified tone of voice, or introduce information that has little to do with the conversation at hand. 

Those on the autism spectrum are often able to form word sounds properly. The communication deficits of autism spectrum disorder are more closely related to language disorders than speech disorders. Speech disorders are associated with difficulty producing or using word sounds correctly, whereas language disorders are associated with a lack of understanding of one or more language components.

Autism spectrum disorder is also characterized by difficulties using pragmatic communication , or communication that is appropriate to a specific social situation. Although not a disorder of speech, a limited ability to recognize the socioemotional content of speech can significantly impact interpersonal communication and social interactions. 

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Dysarthria occurs when the muscles you use for speech are weak or you have difficulty controlling them. Dysarthria often causes slurred or slow speech that can be difficult to understand.

Common causes of dysarthria include nervous system disorders and conditions that cause facial paralysis or tongue or throat muscle weakness. Certain medications also can cause dysarthria.

Treating the underlying cause of your dysarthria may improve your speech. You may also need speech therapy. For dysarthria caused by prescription medications, changing or discontinuing the medications may help.

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Signs and symptoms of dysarthria vary, depending on the underlying cause and the type of dysarthria. They may include:

• Slurred speech
• Slow speech
• Inability to speak louder than a whisper or speaking too loudly
• Rapid speech that is difficult to understand
• Nasal, raspy or strained voice
• Uneven or abnormal speech rhythm
• Uneven speech volume
• Monotone speech
• Difficulty moving your tongue or facial muscles

When to see a doctor

Dysarthria can be a sign of a serious condition. See your doctor if you have sudden or unexplained changes in your ability to speak.

In dysarthria, you may have difficulty moving the muscles in your mouth, face or upper respiratory system that control speech. Conditions that may lead to dysarthria include:

• Amyotrophic lateral sclerosis (ALS, or Lou Gehrig's disease)
• Brain injury
• Brain tumor
• Cerebral palsy
• Guillain-Barre syndrome
• Head injury
• Huntington's disease
• Lyme disease
• Multiple sclerosis
• Muscular dystrophy
• Myasthenia gravis
• Parkinson's disease
• Wilson's disease

Some medications, such as certain sedatives and seizure drugs, also can cause dysarthria.

Complications

Because of the communication problems dysarthria causes, complications can include:

• Social difficulty. Communication problems may affect your relationships with family and friends and make social situations challenging.
• Depression. In some people, dysarthria may lead to social isolation and depression.
• Daroff RB, et al., eds. Bradley's Neurology in Clinical Practice. 7th ed. Elsevier; 2016. https://www.clinicalkey.com. Accessed April 10, 2020.
• Dysarthria. American Speech-Language-Hearing Association. https://www.asha.org/public/speech/disorders/dysarthria/. Accessed April 6, 2020.
• Maitin IB, et al., eds. Current Diagnosis & Treatment: Physical Medicine & Rehabilitation. McGraw-Hill Education; 2020. https://accessmedicine.mhmedical.com. Accessed April 10, 2020.
• Dysarthria in adults. American Speech-Language-Hearing Association. https://www.asha.org/PRPPrintTemplate.aspx?folderid=8589943481. Accessed April 6, 2020.
• Drugs that cause dysarthria. IBM Micromedex. https://www.micromedexsolutions.com. Accessed April 10, 2020.
• Lirani-Silva C, et al. Dysarthria and quality of life in neurologically healthy elderly and patients with Parkinson's disease. CoDAS. 2015; doi:10.1590/2317-1782/20152014083.
• Signs and symptoms of untreated Lyme disease. Centers for Disease Control and Prevention. https://www.cdc.gov/lyme/signs_symptoms/index.html. Accessed April 6, 2020.
• Neurological diagnostic tests and procedures fact sheet. National Institute of Neurological Disorders and Stroke. https://www.ninds.nih.gov/Disorders/Patient-Caregiver-Education/Fact-Sheets/Neurological-Diagnostic-Tests-and-Procedures-Fact. Accessed April 6, 2020.

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Language and Speech Disorders in Children

Helping children learn language, what to do if there are concerns.

• Detecting problems

Children are born ready to learn a language, but they need to learn the language or languages that their family and environment use. Learning a language takes time, and children vary in how quickly they master milestones in language and speech development. Typically developing children may have trouble with some sounds, words, and sentences while they are learning. However, most children can use language easily around 5 years of age.

Parents and caregivers are the most important teachers during a child’s early years. Children learn language by listening to others speak and by practicing. Even young babies notice when others repeat and respond to the noises and sounds they make. Children’s language and brain skills get stronger if they hear many different words. Parents can help their child learn in many different ways, such as

• Responding to the first sounds, gurgles, and gestures a baby makes.
• Repeating what the child says and adding to it.
• Talking about the things that a child sees.
• Asking questions and listening to the answers.
• Looking at or reading books.
• Telling stories.
• Singing songs and sharing rhymes.

This can happen both during playtime and during daily routines.

Parents can also observe the following:

• How their child hears and talks and compare it with typical milestones for communication skills external icon .
• How their child reacts to sounds and have their hearing tested if they have concerns .

Learn more about language milestones .  Watch milestones in action.

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Some languages are visual rather than spoken. American Sign Language uses visual signals, including gestures, facial expressions, and body movement to communicate.

Some children struggle with understanding and speaking and they need help. They may not master the language milestones at the same time as other children, and it may be a sign of a language or speech delay or disorder.

Language development has different parts, and children might have problems with one or more of the following:

• Not hearing the words (hearing loss).
• Not understanding the meaning of the words.
• Not knowing the words to use.
• Not knowing how to put words together.
• Knowing the words to use but not being able to express them.

Language and speech disorders can exist together or by themselves. Examples of problems with language and speech development include the following:

• Difficulty with forming specific words or sounds correctly.
• Difficulty with making words or sentences flow smoothly, like stuttering or stammering.
• Language delay – the ability to understand and speak develops more slowly than is typical
• Aphasia (difficulty understanding or speaking parts of language due to a brain injury or how the brain works).
• Auditory processing disorder (difficulty understanding the meaning of the sounds that the ear sends to the brain)

Learn more about language disorders external icon .

Language or speech disorders can occur with other learning disorders that affect reading and writing. Children with language disorders may feel frustrated that they cannot understand others or make themselves understood, and they may act out, act helpless, or withdraw. Language or speech disorders can also be present with emotional or behavioral disorders, such as attention-deficit/hyperactivity disorder (ADHD) or anxiety . Children with developmental disabilities including autism spectrum disorder may also have difficulties with speech and language. The combination of challenges can make it particularly hard for a child to succeed in school. Properly diagnosing a child’s disorder is crucial so that each child can get the right kind of help.

Detecting problems with language or speech

If a child has a problem with language or speech development, talk to a healthcare provider about an evaluation. An important first step is to find out if the child may have a hearing loss. Hearing loss may be difficult to notice particularly if a child has hearing loss only in one ear or has partial hearing loss, which means they can hear some sounds but not others. Learn more about hearing loss, screening, evaluation, and treatment .

A language development specialist like a speech-language pathologist external icon will conduct a careful assessment to determine what type of problem with language or speech the child may have.

Overall, learning more than one language does not cause language disorders, but children may not follow exactly the same developmental milestones as those who learn only one language. Developing the ability to understand and speak in two languages depends on how much practice the child has using both languages, and the kind of practice. If a child who is learning more than one language has difficulty with language development, careful assessment by a specialist who understands development of skills in more than one language may be needed.

Treatment for language or speech disorders and delays

Children with language problems often need extra help and special instruction. Speech-language pathologists can work directly with children and their parents, caregivers, and teachers.

Having a language or speech delay or disorder can qualify a child for early intervention external icon (for children up to 3 years of age) and special education services (for children aged 3 years and older). Schools can do their own testing for language or speech disorders to see if a child needs intervention. An evaluation by a healthcare professional is needed if there are other concerns about the child’s hearing, behavior, or emotions. Parents, healthcare providers, and the school can work together to find the right referrals and treatment.

What every parent should know

Children with specific learning disabilities, including language or speech disorders, are eligible for special education services or accommodations at school under the Individuals with Disabilities in Education Act (IDEA) external icon and Section 504 external icon , an anti-discrimination law.

Get help from your state’s Parent Training and Information Center external icon

The role of healthcare providers

Healthcare providers can play an important part in collaborating with schools to help a child with speech or language disorders and delay or other disabilities get the special services they need. The American Academy of Pediatrics has created a report that describes the roles that healthcare providers can have in helping children with disabilities external icon , including language or speech disorders.

More information

CDC Information on Hearing Loss

National Institute on Deafness and Other Communication Disorders external icon

Birth to 5: Watch me thrive external icon

The American Speech-Language-Hearing Association external icon

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Speech Impairment: Symptoms, Causes, and When to See Your Doctor

Speech impairment in adults is a symptom that causes difficulty in speaking or pronouncing words. This can be a temporary condition, or it can be a symptom of a severe medical condition. This guide will show you what to look for and when to see a doctor.

9 minute read

Last Updated September 20, 2021

Speech impairment in adults is any symptom that causes difficulty in speaking or pronouncing words. Speech impairments can include slurred, rapid, stuttered, hoarse, or slowed speech, and they can be caused by any number of factors. 

Some cases of impaired speech may be temporary, while others are caused by an underlying medical condition. When speech impairment is sudden, then it is a symptom of a serious problem , such as a heart attack or stroke, and requires immediate medical attention.

Symptoms of Speech impairment

Along with an inability to clearly communicate verbally, you can also experience other symptoms with speech impairment. 

♦ Weakened facial muscles ♦ Difficulty remembering words ♦ Deficits with expressive language ♦ Drooling ♦ Sudden contraction of vocal muscles

Causes of Speech Impairment

The different types of speech impairment have different causes, and you can develop speech impairment suddenly or gradually. 

♦ Aphasia: This is when you have difficulty thinking of words or pronouncing them, and the potential causes of this type include head trauma, brain tumors, and degenerative diseases such as Alzheimer’s disease. 

♦ Dysarthria: This is when you have trouble moving your lips, tongue, vocal folds, or diaphragm. This typically results from degenerative muscle conditions such as multiple sclerosis as well as stroke, head trauma, Bell’s palsy, Lyme disease, and excessive alcohol consumption.

♦ Vocal disorders: This affects your ability to speak and is caused by injuries to the area, throat cancer, polyps or nodules on the vocal cords, and consumption of drugs like antidepressants. 

♦ Spasmodic dysphonia: This involves involuntary movements of the vocal cords. The exact cause is unknown, but this impairment is linked to abnormal brain functioning. 

Diseases Associated with Speech Impairment

There can be temporary causes of speech impairment, but in most cases, there is an underlying condition impacting the speech region of the brain. Sudden speech impairment can be a sign of a serious medical condition that requires immediate medical attention.

♦  Stroke : Speech impairment and disorders are common after a stroke, but they can also be signs of an impending stroke. Slurred speech, along with facial muscle changes, can indicate a stroke and should not be ignored.

♦ Cardiovascular disease : Heart disease can cause structural changes in the brain as a result of reduced blood flow. Cognitive abilities and communication can be impacted as a result.

♦ Multiple sclerosis : This condition causes lesions that damaged parts of the brain, which can impair speech patterns.

♦ Infections : Viral and bacterial infections that reach the brain can cause damage to the areas that process language, causing temporary speech impairment. 

♦ Huntington’s Disease : This disease mostly affects movement, but the majority of patients with Huntington’s also report speech difficulties.

♦ Alzheimer’s disease : Speech impairment can develop as a result of plaques in the brain that are associated with Alzheimer’s disease. 

♦ Parkinson’s : Difficulty speaking and swallowing is common with Parkinson’s disease and gets worse as the disease progresses. 

♦ Cholesterol : High cholesterol can lead to the formation of plaques in the arteries, and without treatment, these increase your risk for stroke, which can cause speech impairment.

♦ Cancer : A tumor in your brain located near the speech center will cause speech impairments as well as changes in memory, seizures, and severe headaches.

♦ Head trauma : Injury, internal bleeding, or bruising to the brain, as a result of head trauma can impact speech. Depending on the severity and location of the trauma, speech impairment may be temporary or permanent.

Diagnosis of Speech Impairment

When speech impairment appears suddenly, seek immediate medical attention . When it develops more gradually, you need to see your doctor for testing, in case there is an underlying condition as the cause. 

You may experience speech impairment after using your voice too much or after an infection, but prolonged impairment requires attention and testing for diagnosis. Your doctor will start with a physical examination and discuss your medical history and symptoms. They will also talk with you to evaluate your speech during a discussion and to determine your level of comprehension and speaking ability. 

In addition to this, testing can be done to attempt to identify possible underlying causes. The most common tests include:

♦ Blood tests ♦ Electrical current tests ♦ MRI, CT, and x-Ray scans ♦ Urine tests

It may also be necessary for you to follow up with specialists such as a neurologist, speech pathologist, or otolaryngologist for more detailed testing and analysis.

Treatment for Speech impairment

The treatment will depend on the cause and severity of your speech impairment. In all cases of speech impairment, the underlying cause needs to be treated in order to restore speech. 

Exercises can be done to help strengthen vocal cords and improve articulation. You can also use assistive communication devices. Only in certain situations will surgery or any other invasive procedure be required. If the cause of your speech impairment is a stroke or heart disease, medications are prescribed as well as surgery. Your doctor will also recommend a heart-healthy lifestyle to follow.

In addition to any medical treatment plan given to you by your doctor, there are things you can try to help protect your voice, and prevent or limit the severity of a speech impairment. 

♦ Always wear protective headgear to prevent brain injuries. ♦ Quit or avoid smoking and second-hand smoke to reduce the risk of throat cancer. ♦ Limit consumption of alcohol. ♦ Get regular exercise to reduce the risk of stroke. ♦ Follow a balanced diet to protect against hypertension and high cholesterol.

Natural Treatment for Speech Impairment

Most of the causes of speech impairment will require medical treatment. However, there are certain conditions related to heart health that you can prevent naturally. Stroke and atherosclerosis are both related to high cholesterol and clogged arteries. 

By incorporating specific natural ingredients into your diet, you can promote overall heart health by reducing cholesterol levels. This will reduce your risk of heart-related conditions that can cause speech impairment. The top ingredients to try include:

♦ Berberine bark extract both lowers cholesterol and fights inflammation to protect against heart disease.  ♦ Chromium benefits the heart by reducing the risk of high cholesterol and arterial clogs . This significantly reduces the risk of stroke. ♦ Lion’s mane mushroom improves the good-to-bad ratio of cholesterol in your blood to protect against stroke. ♦ Niacin works to lower cholesterol and blood lipid levels to reduce the risk of heart attack and stroke. Studies have found that it works more effectively than cholesterol-lowering statins.  ♦ Pine bark extract helps lower bad cholesterol, which prevents clogged arteries and reduces the risk of stroke. This extract also reduces inflammation that can cause platelets to clump together, forming dangerous clots known to increase stroke risk.

When to See Your Doctor

The gradual development of speech impairment can be caused by a number of conditions or factors that can be effectively treated once identified. 

If you notice the sudden onset of any speech impairment, you need to seek immediate medical attention, as this is a common sign of a stroke. Without treatment, a stroke can cause permanent damage to your heart and brain and even death. 

While speech impairment may develop from a relatively harmless condition, the risk of stroke cannot be ignored, so be sure to seek help if impairment appears suddenly.

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Five Common Speech Disorders in Children

You have determined that your child has more than just a speech delay, now what? How do you determine what kind of speech disorder your child has and more importantly, what do you do about it? We have listed below five common speech disorders in children. Of course, we always recommend a visit to your pediatrician if you feel your child has any of these symptoms, and an appointment with an SLP may be necessary to begin an effective speech therapy treatment plan.

5 Common Speech Disorders in Children:

Articulation Disorder: An articulation disorder is a speech sound disorder in which a child has difficulty making certain sounds correctly.  Sounds may be omitted or improperly altered during the course of speech. A child may substitute sounds (“wabbit” instead of “rabbit”) or add sounds improperly to words. Young children will typically display articulation issues as they learn to speak, but they are expected to “grow out of it” by a certain age.  If the errors persist past a standard developmental age, which varies based on the sound, then that child has an articulation disorder.

The most common articulation disorders are in the form of a “lisp” – when a child does not pronounce the S sound correctly – or when a child cannot pronounce the R sound correctly. He may say “wabbit” instead of “rabbit” or “buhd” or instead of “bird.”

Apraxia of Speech is a communication disorder affecting the motor programming system for speech production.  Speech production is difficult – specifically with sequencing and forming sounds. The person may know what he wants to say, but there is a disruption in the part of the brain that sends the signal to the muscle for the movement necessary to produce the sound.  That leads to problems with articulation as well as intonation and speaking stress and rhythm errors. Apraxia of Speech can be discovered in childhood (CAS), or might be acquired (AOS) resulting from a brain injury or illness in both children and adults.

Fragile X Syndrome (FXS) is an inherited genetic disorder that is the most common cause of inherited intellectual disabilities in boys as well as  autism  (about 30% of children with FXS will have autism). It also affects girls, though their symptoms tend to be milder. It is greatly under-recognized and second only to  Down syndrome  in causing intellectual impairment.

FXS occurs when there is a mutation of FMRI gene and is an inherited disorder.  If a child received a pre-mutated X chromosome from one of his parents (as a carrier), then he is at greater risk of developing FXS.  Diagnosing Fragile X Syndrome is not easy for parents and doctors at the beginning of a child’s life.  Few outward signs are noticeable within the first 9 months. These signs may include an elongated face and protruding eyes.

Intellectual disabilities, speech and language problems, and social anxiety occur most frequently in children with Fragile X. Speech symptoms include repetition of words and phrases, cluttered speech and difficulties with the pragmatics of speech. All of FXS’s symptoms can range from mild to very severe.

Stuttering occurs when speech is disrupted by involuntary repetitions, prolonging of sounds and hesitation or pausing before speech. Stuttering can be developmental, meaning it begins during early speech acquisition, or acquired due to brain trauma. No one knows the exact causes of stuttering in a child.  It is considered to have a genetic basis, but the direct link has not yet been found. Children with relatives who stutter are 3 times as likely to develop stuttering. Stuttering is also more typical in children who have congenital disorders like  cerebral palsy .

A child who stutters is typically not struggling with the actual production of the sounds—stress and a nervousness trigger many cases of stuttering. Stuttering is variable, meaning if the speaker does not feel anxious when speaking, the stuttering may not affect their speech.

Language disorders can be classified in three different ways: Expressive Language Disorder (ELD), Receptive Language Disorder (RLD) or Expressive-Receptive Language Disorder (ERLD).  Children with Expressive Language Disorder do not have problems producing sounds or words, but have an inability to retrieve the right words and formulate proper sentences. Children with Receptive Language Disorder have difficulties comprehending spoken and written language. Finally, children with Expressive-Receptive Language Disorder will exhibit both kinds of symptoms. Grammar is a hard concept for them to understand and they may not use of articles (a, the), prepositions (of, with) and plurals. An early symptom is delay in the early stages of language, so if your child takes longer to formulate words or starting to babble, it can be a sign of ELD.

Children with Receptive Language Disorder may act like they are ignoring you or just repeat words that you say; this is known as “echolalia.” Even when repeating the words you say, they may not understand.  An example of this is if you say, “Do you want to go to the park?” and they respond with the exact phrase and do not answer the question. They may not understand you or the fact that you asked them to do something.

Children with Expressive-Receptive Language Disorder can have a mix of these symptoms

These are some of the most common speech disorders in children. No child is the same and you know your child best. If you feel that your child has a speech disorder, contact your pediatrician to discuss treatment options.

10 Most Common Speech-Language Disorders & Impediments

As you get to know more about the field of speech-language pathology you’ll increasingly realize why SLPs are required to earn at least a master’s degree . This stuff is serious – and there’s nothing easy about it.

In 2016 the National Institute on Deafness and Other Communication Disorders reported that 7.7% of American children have been diagnosed with a speech or swallowing disorder. That comes out to nearly one in 12 children, and gets even bigger if you factor in adults.

Whether rooted in psycho-speech behavioral issues, muscular disorders, or brain damage, nearly all the diagnoses SLPs make fall within just 10 common categories…

Types of Speech Disorders & Impediments

Apraxia of speech (aos).

Apraxia of Speech (AOS) happens when the neural pathway between the brain and a person’s speech function (speech muscles) is lost or obscured. The person knows what they want to say – they can even write what they want to say on paper – however the brain is unable to send the correct messages so that speech muscles can articulate what they want to say, even though the speech muscles themselves work just fine. Many SLPs specialize in the treatment of Apraxia .

There are different levels of severity of AOS, ranging from mostly functional, to speech that is incoherent. And right now we know for certain it can be caused by brain damage, such as in an adult who has a stroke. This is called Acquired AOS.

However the scientific and medical community has been unable to detect brain damage – or even differences – in children who are born with this disorder, making the causes of Childhood AOS somewhat of a mystery. There is often a correlation present, with close family members suffering from learning or communication disorders, suggesting there may be a genetic link.

Mild cases might be harder to diagnose, especially in children where multiple unknown speech disorders may be present. Symptoms of mild forms of AOS are shared by a range of different speech disorders, and include mispronunciation of words and irregularities in tone, rhythm, or emphasis (prosody).

Stuttering – Stammering

Stuttering, also referred to as stammering, is so common that everyone knows what it sounds like and can easily recognize it. Everyone has probably had moments of stuttering at least once in their life. The National Institute on Deafness and Other Communication Disorders estimates that three million Americans stutter, and reports that of the up-to-10-percent of children who do stutter, three-quarters of them will outgrow it. It should not be confused with cluttering.

Most people don’t know that stuttering can also include non-verbal involuntary or semi-voluntary actions like blinking or abdominal tensing (tics). Speech language pathologists are trained to look for all the symptoms of stuttering , especially the non-verbal ones, and that is why an SLP is qualified to make a stuttering diagnosis.

The earliest this fluency disorder can become apparent is when a child is learning to talk. It may also surface later during childhood. Rarely if ever has it developed in adults, although many adults have kept a stutter from childhood.

Stuttering only becomes a problem when it has an impact on daily activities, or when it causes concern to parents or the child suffering from it. In some people, a stutter is triggered by certain events like talking on the phone. When people start to avoid specific activities so as not to trigger their stutter, this is a sure sign that the stutter has reached the level of a speech disorder.

The causes of stuttering are mostly a mystery. There is a correlation with family history indicating a genetic link. Another theory is that a stutter is a form of involuntary or semi-voluntary tic. Most studies of stuttering agree there are many factors involved.

Dysarthria is a symptom of nerve or muscle damage. It manifests itself as slurred speech, slowed speech, limited tongue, jaw, or lip movement, abnormal rhythm and pitch when speaking, changes in voice quality, difficulty articulating, labored speech, and other related symptoms.

It is caused by muscle damage, or nerve damage to the muscles involved in the process of speaking such as the diaphragm, lips, tongue, and vocal chords.

Because it is a symptom of nerve and/or muscle damage it can be caused by a wide range of phenomena that affect people of all ages. This can start during development in the womb or shortly after birth as a result of conditions like muscular dystrophy and cerebral palsy. In adults some of the most common causes of dysarthria are stroke, tumors, and MS.

A lay term, lisping can be recognized by anyone and is very common.

Speech language pathologists provide an extra level of expertise when treating patients with lisping disorders . They can make sure that a lisp is not being confused with another type of disorder such as apraxia, aphasia, impaired development of expressive language, or a speech impediment caused by hearing loss.

SLPs are also important in distinguishing between the five different types of lisps. Most laypersons can usually pick out the most common type, the interdental/dentalised lisp. This is when a speaker makes a “th” sound when trying to make the “s” sound. It is caused by the tongue reaching past or touching the front teeth.

Because lisps are functional speech disorders, SLPs can play a huge role in correcting these with results often being a complete elimination of the lisp. Treatment is particularly effective when implemented early, although adults can also benefit.

Experts recommend professional SLP intervention if a child has reached the age of four and still has an interdental/dentalised lisp. SLP intervention is recommended as soon as possible for all other types of lisps. Treatment includes pronunciation and annunciation coaching, re-teaching how a sound or word is supposed to be pronounced, practice in front of a mirror, and speech-muscle strengthening that can be as simple as drinking out of a straw.

Spasmodic Dysphonia

Spasmodic Dysphonia (SD) is a chronic long-term disorder that affects the voice. It is characterized by a spasming of the vocal chords when a person attempts to speak and results in a voice that can be described as shaky, hoarse, groaning, tight, or jittery. It can cause the emphasis of speech to vary considerably. Many SLPs specialize in the treatment of Spasmodic Dysphonia .

SLPs will most often encounter this disorder in adults, with the first symptoms usually occurring between the ages of 30 and 50. It can be caused by a range of things mostly related to aging, such as nervous system changes and muscle tone disorders.

It’s difficult to isolate vocal chord spasms as being responsible for a shaky or trembly voice, so diagnosing SD is a team effort for SLPs that also involves an ear, nose, and throat doctor (otolaryngologist) and a neurologist.

Have you ever heard people talking about how they are smart but also nervous in large groups of people, and then self-diagnose themselves as having Asperger’s? You might have heard a similar lay diagnosis for cluttering. This is an indication of how common this disorder is as well as how crucial SLPs are in making a proper cluttering diagnosis .

A fluency disorder, cluttering is characterized by a person’s speech being too rapid, too jerky, or both. To qualify as cluttering, the person’s speech must also have excessive amounts of “well,” “um,” “like,” “hmm,” or “so,” (speech disfluencies), an excessive exclusion or collapsing of syllables, or abnormal syllable stresses or rhythms.

The first symptoms of this disorder appear in childhood. Like other fluency disorders, SLPs can have a huge impact on improving or eliminating cluttering. Intervention is most effective early on in life, however adults can also benefit from working with an SLP.

Muteness – Selective Mutism

There are different kinds of mutism, and here we are talking about selective mutism. This used to be called elective mutism to emphasize its difference from disorders that caused mutism through damage to, or irregularities in, the speech process.

Selective mutism is when a person does not speak in some or most situations, however that person is physically capable of speaking. It most often occurs in children, and is commonly exemplified by a child speaking at home but not at school.

Selective mutism is related to psychology. It appears in children who are very shy, who have an anxiety disorder, or who are going through a period of social withdrawal or isolation. These psychological factors have their own origins and should be dealt with through counseling or another type of psychological intervention.

Diagnosing selective mutism involves a team of professionals including SLPs, pediatricians, psychologists, and psychiatrists. SLPs play an important role in this process because there are speech language disorders that can have the same effect as selective muteness – stuttering, aphasia, apraxia of speech, or dysarthria – and it’s important to eliminate these as possibilities.

And just because selective mutism is primarily a psychological phenomenon, that doesn’t mean SLPs can’t do anything. Quite the contrary.

The National Institute on Neurological Disorders and Stroke estimates that one million Americans have some form of aphasia.

Aphasia is a communication disorder caused by damage to the brain’s language capabilities. Aphasia differs from apraxia of speech and dysarthria in that it solely pertains to the brain’s speech and language center.

As such anyone can suffer from aphasia because brain damage can be caused by a number of factors. However SLPs are most likely to encounter aphasia in adults, especially those who have had a stroke. Other common causes of aphasia are brain tumors, traumatic brain injuries, and degenerative brain diseases.

In addition to neurologists, speech language pathologists have an important role in diagnosing aphasia. As an SLP you’ll assess factors such as a person’s reading and writing, functional communication, auditory comprehension, and verbal expression.

Speech Delay – Alalia

A speech delay, known to professionals as alalia, refers to the phenomenon when a child is not making normal attempts to verbally communicate. There can be a number of factors causing this to happen, and that’s why it’s critical for a speech language pathologist to be involved.

The are many potential reasons why a child would not be using age-appropriate communication. These can range anywhere from the child being a “late bloomer” – the child just takes a bit longer than average to speak – to the child having brain damage. It is the role of an SLP to go through a process of elimination, evaluating each possibility that could cause a speech delay, until an explanation is found.

Approaching a child with a speech delay starts by distinguishing among the two main categories an SLP will evaluate: speech and language.

Speech has a lot to do with the organs of speech – the tongue, mouth, and vocal chords – as well as the muscles and nerves that connect them with the brain. Disorders like apraxia of speech and dysarthria are two examples that affect the nerve connections and organs of speech. Other examples in this category could include a cleft palette or even hearing loss.

The other major category SLPs will evaluate is language. This relates more to the brain and can be affected by brain damage or developmental disorders like autism. There are many different types of brain damage that each manifest themselves differently, as well as developmental disorders, and the SLP will make evaluations for everything.

Issues Related to Autism

While the autism spectrum itself isn’t a speech disorder, it makes this list because the two go hand-in-hand more often than not.

The Centers for Disease Control and Prevention (CDC) reports that one out of every 68 children in our country have an autism spectrum disorder. And by definition, all children who have autism also have social communication problems.

Speech-language pathologists are often a critical voice on a team of professionals – also including pediatricians, occupational therapists, neurologists, developmental specialists, and physical therapists – who make an autism spectrum diagnosis .

In fact, the American Speech-Language Hearing Association reports that problems with communication are the first detectable signs of autism. That is why language disorders – specifically disordered verbal and nonverbal communication – are one of the primary diagnostic criteria for autism.

So what kinds of SLP disorders are you likely to encounter with someone on the autism spectrum?

A big one is apraxia of speech. A study that came out of Penn State in 2015 found that 64 percent of children who were diagnosed with autism also had childhood apraxia of speech.

This basic primer on the most common speech disorders offers little more than an interesting glimpse into the kind of issues that SLPs work with patients to resolve. But even knowing everything there is to know about communication science and speech disorders doesn’t tell the whole story of what this profession is all about. With every client in every therapy session, the goal is always to have the folks that come to you for help leave with a little more confidence than when they walked in the door that day. As a trusted SLP, you will build on those gains with every session, helping clients experience the joy and freedom that comes with the ability to express themselves freely. At the end of the day, this is what being an SLP is all about.

Ready to make a difference in speech pathology? Learn how to become a Speech-Language Pathologist today

• Emerson College - Master's in Speech-Language Pathology online - Prepare to become an SLP in as few as 20 months. No GRE required. Scholarships available.
• NYU Steinhardt - NYU Steinhardt's Master of Science in Communicative Sciences and Disorders online - ASHA-accredited. Bachelor's degree required. Graduate prepared to pursue licensure.
• Arizona State University - Online - Online Bachelor of Science in Speech and Hearing Science - Designed to prepare graduates to work in behavioral health settings or transition to graduate programs in speech-language pathology and audiology.

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speech impediment

Definition of speech impediment

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“Speech impediment.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/speech%20impediment. Accessed 16 Apr. 2024.

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Parent's Academy › Speech Disorders › Speech Impediments › 6 Types of Speech Impediments

6 Types of Speech Impediments

Stacie bennett.

Speech-Language Pathologist , Trenton , New Jersey

Jan 28, 2022 ‘Speech and language impediment’ is a very broad term that refers to a communication disorder in an individual that has depressed social, language, communication, hearing, or fluency skills.

In This Article

Speech therapy exercises with speech blubs, apraxia of speech, speech sound disorder, specific language impairment, language-based learning disabilities, key takeaways about speech impediments.

A speech impediment relates to the way an individual produces or articulates specific sounds. One example of this is stuttering. Under the umbrella of a speech impairment lies several different types of disorders with which a child or adult can be diagnosed.

A language impairment involves understanding and sharing thoughts and ideas. For example, this person may not have adequate or “age-appropriate” vocabulary and grammar skills. Again, there are several different language disorders that fall under this category that will be addressed in this blog.

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The more you practice, the more it carries over! Try the Speech Blubs app for fun and engaging therapy sessions with your little one.

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3 Types of Speech Disorders

Apraxia of speech is a neurogenic (starts in the nervous system) communication disorder that involves the planning system for speech.

Individuals with Apraxia know what they want to say, but there is a disconnect in the part of the brain that tells a specific muscle to move. When someone is diagnosed with  apraxia of speech , they may have signs of groping, which is where the mouth searches for the position to create the sound.

When this occurs, it affects how long or short the sounds are, and could lead to odd pitch or volume issues and to sounds being distorted or substituted. A tell-tale sign of someone who has apraxia is that they lose the ability to produce sounds that they previously could say.

For instance, if you ask a child to say the word “dog,” which they do successfully and then ask them to say the same word again 10 minutes later, they will not be able to do it. 

Speech sound disorders may be of two varieties: articulation (the production of sounds) or phonological processes (sound patterns).

An articulation disorder  may take the form of substitution, omission, addition, or distortion of normal speech sounds.

Phonological process disorders  may involve more systematic difficulties with the production of particular types of sounds, such as those made in the back of the mouth, like “k” and “g” (ASHA 2018).

Educating a child on the appropriate ways to produce a speech sound and encouraging the child to practice this articulation over time may produce natural speech.

For additional reading on articulation and phonological disorders, check these blogs:

• What Are Phonological Processes
• Process of Articulation Therapy

Stuttering  is a disruption in the fluency of an individual’s speech, which begins in childhood and may persist over a lifetime.

Stuttering is a form of disfluency (an inability to produce fluent speech). Disfluency becomes a problem because it impedes successful communication between two parties. Disfluencies may be due to unwanted repetitions of sounds (e.g., “I-I-I want ice cream”), or the extension of speech sounds (e.g., “S——tart the wash”), syllables (e.g., “Na-na-na nasty”), or words (e.g., “go-go-go to the store”). Disfluencies also incorporate unintentional pauses in speech, in which the individual is unable to produce speech sounds (ASHA 2016).

Unfortunately, the cause of stuttering is unknown, which makes it more difficult to treat. Treatment can vary from person to person depending on the severity and type of stuttering that is occurring. 

Read more on  how to distinguish stuttering as a part of typical speech development from stuttering as a speech disorder!

3 Types of Language Disorders

Specific Learning Impairment (SLI) is diagnosed when a child’s language is not developing as rapidly or as typically as other children. In order for a child to be diagnosed with SLI, they cannot have Autism Spectrum Disorder, Apraxia, hearing loss, or an abnormality of the speech mechanisms. If those disorders are present, they do not have SLI and are exhibiting speech patterns typical of those diagnoses. Usually, the first indication of SLI is that the child is later than usual in starting to speak and subsequently is delayed in putting words together to form sentences.  Spoken language  may be immature. In many children with SLI, understanding of  language , or  receptive  language, is also impaired, though this may not be obvious unless the child is given a formal assessment. This diagnosis is reserved for children whose language difficulties persist into school age, not for children who are speech delayed and eventually catch up to their peers. 

Aphasia  is an inability to comprehend or formulate language because of damage to specific brain regions.

The major causes are a cerebral vascular accident (stroke), or head trauma, but aphasia can also be the result of brain tumors, brain infections, or neurodegenerative diseases such as dementia (ASHA 2017).

The difficulties of people with aphasia can range from occasional trouble finding words, to losing the ability to speak, read, or write; intelligence, however, is unaffected. Any person of any age can develop aphasia, given that it is often caused by a traumatic injury. However, people who are middle-aged and older are the most likely to experience the problem. 

Language-based learning disabilities occur in children who are falling behind their same-aged peers. These children will have difficulties with spelling, reading, and/or writing, but have normal intelligence levels. This is a common source of academic struggles in young children and can often be misdiagnosed or missed in typical assessments.

The key to supporting students with LBLD is knowing how to adjust curriculum and instruction to ensure they develop  proficient language and literacy skills . Most individuals with LBLD need instruction that is specialized, explicit, structured, and multisensory, as well as ongoing, guided practice aimed at remediating their specific areas of weakness.

There are a lot of speech and language impediments that can occur in children and adults. This blog only scratches the surface of these disorders, so please stay tuned and check out Speech Blubs regularly for more in-depth blogs regarding these subjects.

If there’s a topic you’d like to know more about, please reach out to us and we will get working on it! As always, if you feel like your child is exhibiting any signs or symptoms of these disorders, it’s important that you make an appointment with a speech-language pathologist as soon as possible to get a full evaluation.

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The author’s views are entirely his or her own and may not necessarily reflect the views of Blub Blub Inc. All content provided on this website is for informational purposes only and is not intended to be a substitute for independent professional medical judgement, advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.

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Am Fam Physician. 2024;109(4):361-362

As published by the USPSTF.

The full recommendation statement is available at https://www.uspreventiveservicestaskforce.org/uspstf/recommendation/speech-and-language-delay-and-disorders-in-children-age-5-and-younger-screening .

The USPSTF recommendations are independent of the U.S. government. They do not represent the views of the Agency for Healthcare Research and Quality, the U.S. Department of Health and Human Services, or the U.S. Public Health Service.

This series is coordinated by Joanna Drowos, DO, contributing editor.

A collection of USPSTF recommendation statements published in AFP is available at https://www.aafp.org/afp/uspstf .

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Rhotacism: A complete guide to this speech impediment

Remember when you were a child and spoke by making your “R’s” sound like “W’s” and everything thought it was cute? That’s known as rhotacism and some people live with it even as adults. What is rhotacism, what is it like in other languages, and what are its symptoms? What does it look like as a speech impediment and what are some examples? What are its causes? How does it affect the brain ? Is it curable and how can it be fixed? This article will answer all your doubts about rhotacism. 

What is rhotacism?

Rhotacism is a speech impediment that is defined by the lack of ability, or difficulty in, pronouncing the sound R . Some speech pathologists, those who work with speech impediments may call this impediment de-rhotacization because the sounds don’t become rhotic, rather they lose their rhotic quality. It could also be called a residual R error.

It’s not such an uncommon phenomenon and actually also happens with the letter L , a phenomenon known as lambdacism . Sometimes people mistake these speech impediments for a lisp, of which they are not. Within the 2000-2001 school year, more than 700,000 students within the American public school system were categorized as having either a language impediment or a speech impediment. Ironically, all three speech impediments contain the troubled letter within them.

The word rhotacism comes from the New Latin rhotacism meaning peculiar or excessive use of [r]. The Latin word came from Ancient Greek word rhōtakismós which means to incorrectly use “rho” which is the equivalent of the Greek R. For language nerds, here’s a really great explanation of how the word came into being.

How does rhotacism work in different languages?

Rhotacism is, in theory , more common among people whose native language has a trilled R. For example, in Spanish the “rr” is a trilled R. Other languages with a trilled R include Bulgarian, Hungarian, Arabic, Finnish, Romanian, Indonesian, Russian , Italian, and most Swedish speakers. Some people might mock Asians, specifically Chinese, for not being able to pronounce the English word “broccoli” correctly- rather pronouncing it “browccoli”. This isn’t due to a rhotacism, however. It’s actually due to the fact that Mandarin (Chinese) words can have an “r” sound in the beginning of a word, but not in the middle or end of a word. This leads them to have issues in their phonotactics and creates an inability to pronounce the English “R” in the middle of words.

The leader of Hezbollah, Hasan Nasrallah, is a Lebanese leader and is mocked for his rhotacism when he says, “ Amwīka ” and “ Iswā’īl ” for the Arabic Amrīka (America), and Isrā’īl (Israel). He is a native Arabic speaker- a language which has the trilled R. Notice how he puts a W sound in those two words where the R sound usually is.

Symptoms of rhotacism

• Some people try to hide their impediment by avoiding words with R ’s in them.
• An overall inability to say R sounds
• Using trilled R’s or guttural R’s (such as the French R) when trying to pronounce the regular English R.

Rhotacism as a speech impediment

Using a strict classification, only about 5%-10% of the human population speaks in a completely normal way. Everyone else suffers from some type of speech disorder or another. For children of any language, the R sounds are usually the hardest to master and often end up being the last ones a child learns. That’s why baby talk if you think about it, doesn’t really use explicit or strong R sounds. In English, rhotacism often comes off as a W sound which is why “Roger Rabbit” sounds like “Woger Wabbit”. R is often more difficult because a child has to learn the different combination of the /r/ sounds, not just the letter itself, unlike other letters. For example, when it comes before and after vowel sounds. The combination of a vowel with the /r/ sound is called a phenome and in English, there are eight combinations of these:

–        The prevocalic R , such as “rain”

–        The RL , such as “girl”

–        The IRE, such as “tire”

–        The AR, such as “car”

–        The EAR , “such as “beer”

–        The OR , such as “seashore”

–        The ER , such as “butter”

–        The AIR , such as “software”

A speech impediment is a speech disorder , not a language disorder . Speech disorders are problems in being able to produce the sounds of speech whereas language disorders are problems with understanding and/or being able to use words. Language disorders, unlike speech disorders, have nothing to do with speech production.

Often what happens is that the person speaking isn’t tensing their tongue enough, or not moving their tongue correctly (up and backward depending on the dialect) which makes the W or “uh” sound come out. It may also be that the person is moving their lips instead of their tongue.

Examples of rhotacism

• Barry Kripke from the TV show The Big Bang Theory has both rhotacism and lambdacism- meaning he has issues pronouncing both his R ’s and his L ’s.
• The most famous of rhotacism would be Elmer Fudd from Looney Tunes . He pronounces the word “rabbit” [ˈɹ̠ʷæbɪ̈t] as “wabbit” [ˈwæbɪ̈t]
• In Monty Python’s Life of Brian , the 1979 film’s character Pilate suffers from rhotacism. In the film, people mock him for his inability to be understood easily.

Here’s a video with a woman who suffers from rhotacism. She explains how difficult it can be to have the speech impediment.

Causes of rhotacism

For many people, the causes of rhotacism are relatively unknown-, especially in adults. However, scientists theorize that the biggest cause is that the person grew up in an environment where they heard R ’s in a weird way, the shape of their mouths are different than normal, or their tongues and lips never learned how to produce the letter. In children, this could happen because the parents or adults around think the way the child talks (using baby talk) is cute and the child never actually learns how to produce it.

For one internet forum user, it has to do with how they learned the language , “I speak various languages, I pronounce the “R” normal in Dutch, French, and Spanish, but I have a rhotacism when speaking English. It’s the way I learnt it.”

For other people, speech issues are a secondary condition to an already existing, serious condition. Physically, it would be a cleft lip or a cleft palate. Neurologically, it could be a condition such as cerebral palsy. It may also be a tongue tie . Almost everyone has a stretch of skin that runs along the bottom of their tongue. If that skin is too tight and reaches the tip of the tongue, it can make pronouncing (and learning how to pronounce) R ’s and L ’s difficult. If the tongue tie isn’t fixed early on, it can be incredibly difficult to fix and learn how to pronounce later.

How the brain affects rhotacism

The brain affects rhotacism only for those who suffer from it not due to a physical impediment (such as a cleft palate). For some, this could happen because the brain doesn’t have the phonemic awareness and never actually learned what the letter R is supposed to sound like. This is common with kids whose parents spoke to them in “baby talk” and encouraged the child’s baby talk, too. This kind of behavior only strengthens a child’s inner concept that / R / is pronounced like “w” or “uh”.

Another reason could be that the brain connections simply don’t allow the lips or mouth to move in the way they need to in order to pronounce the R . This inability has little to do with physical incapabilities and more to do with mental ones. Some people with rhotacism have an issue with their oral-motor skills which means that there isn’t sufficient communication in the parts of the brain responsible for speech production.

Treatment for rhotacism

Is rhotacism curable.

It can have negative social effects- especially among younger children, such as bullying, which lowers self-esteem and can have a lasting effect. However, if the impediment is caught early enough on and is treated rather quickly, there is a good overall prognosis meaning it’s curable.

        However, some people never end up being able to properly pronounce that R and they end up substituting other sounds, such as the velar approximant (like w sounds) , the uvular approximant (also known as the “French R ”), and the uvular trill ( like the trilled R in Spanish).

How to fix rhotacism

Rhotacism is fixed by speech therapy . Before anything else, there needs to be an assessment from a Speech Language Pathologist (SLP) who will help decide if the problem can be fixed. If a child is involved, the SLP would predict if the child can outgrow the problem or not. After the diagnosis, a speech therapist will work with the person who suffers from the speech impediment by possibly having weekly visits with some homework and practice instructions. Therapy happens in spouts- a period of a few weeks and a break. There is a follow-up to see if there has been an improvement in pronunciation. In the U.S., children who are in school and have a speech disorder are placed in a special education program. Most school districts provide these children with speech therapy during school hours.

Another option, often used alongside speech therapy, is using a speech therapy hand-held tool that helps isolate the sound being pronounced badly and gives an image of the proper tongue placement to enable better pronunciation.

One study tested a handheld tactical tool (known as Speech Buddies) and the traditional speech therapy methods. The study found that students who used the hand-held tool (alongside speech therapy) improved 33% faster than those who used only the traditional speech therapy methods.

Have you or someone you know ever struggled with rhotacism? Let us know what you think in the comments below!

• Category: Wellness
• Tag: language , Language Disorder

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