10-Minute Speech Practice That Doesn't Require Sitting Still

Last updated 2026-07-09

What is apraxia of speech, exactly?

Apraxia of speech is a motor speech disorder. The brain knows what it wants to say. The muscles of the mouth and tongue can move fine. But the signal that plans and sequences those movements breaks down before it arrives. The result is speech that sounds inconsistent, effortful, or distorted in ways that don't match a plain articulation delay.

There are two main forms. Childhood apraxia of speech (CAS) shows up in children who are still developing speech. Acquired apraxia of speech happens in adults, most often after a stroke or brain injury. This article covers both, but puts CAS front and center because that's usually why parents end up here.

The American Speech-Language-Hearing Association defines apraxia of speech as "a neurological speech sound disorder in which the precision and consistency of movements underlying speech are impaired in the absence of neuromuscular deficits" ^[1]. That last phrase is the key part: no weakness, no paralysis, no missing muscle. The problem is in the motor planning, not the hardware.

Apraxia vs apraxia of speech is a terminology question that trips up a lot of parents. In everyday use, people say both. Technically, "apraxia" refers to a broader category of motor planning problems (you can have limb apraxia, for example), while "apraxia of speech" is the specific diagnosis for speech motor planning. Some older literature and some clinicians still say just "apraxia" and mean the speech version. For practical purposes they're the same thing in a speech therapy context.

Apraxia of speech is also different from dysarthria, which actually does involve muscle weakness or incoordination. And it's different from a speech delay caused by limited language exposure or a language processing gap. Those distinctions matter because the therapy approach for each one is genuinely different.

How common is childhood apraxia of speech?

Childhood apraxia of speech affects roughly 1 to 2 children per 1,000, according to a commonly cited figure from the Childhood Apraxia of Speech Association of North America (CASANA) ^[2]. The honest answer is that prevalence estimates vary quite a bit. Some studies suggest rates closer to 3 to 5 per 1,000 when broader diagnostic criteria are used, but methodological differences between studies make exact comparisons hard.

What is consistent: CAS shows up more in boys than girls, with a ratio of roughly 2:1 to 3:1 depending on the study. It also co-occurs often with other conditions. Research published in the Journal of Speech, Language, and Hearing Research found CAS appearing alongside language disorders, literacy difficulties, and sometimes autism spectrum disorder ^[3]. That co-occurrence matters because parents and clinicians can spend months chasing the more visible diagnosis while the motor speech piece goes unaddressed.

CAS is not the same as being a late talker, though a child with CAS is almost certainly talking late. Late talking has many causes. CAS is one specific cause, and a relatively uncommon one. Most late talkers do not have apraxia.

What are the signs of apraxia of speech in children?

The signs cluster around inconsistency and effort. A child with CAS doesn't make the same error every time, which is part of what makes it so confusing. They might say "ba" for "ball" one moment and "da" the next. The word isn't consistently wrong in a predictable pattern the way it is with an articulation disorder.

ASHA identifies three core diagnostic features of CAS ^[1]:

1. Inconsistent errors on consonants and vowels across repeated productions of the same word or phrase. 2. Lengthened and disrupted coarticulatory transitions between sounds and syllables. 3. Inappropriate prosody, especially in lexical or phrasal stress.

In plain terms: the errors change, the speech sounds choppy or halting, and the rhythm and stress patterns are off (a child might stress every syllable equally, which sounds robotic or unusual).

Other things parents often notice: the child seems to struggle visibly when trying to say something, like they're searching for the movement. They may do better with automatic speech (singing a familiar song, saying a memorized phrase) than with spontaneous speech. They may babble less as infants than typical babies. They sometimes get worse, not better, when they slow down and try harder.

Younger toddlers are harder to diagnose because many of these features overlap with typical early speech development and other speech sound disorders. A speech-language pathologist with specific CAS training is the right person to sort this out, not a general pediatric screening.

If your child is also showing repetitive language or echolalia alongside unclear speech, it's worth reading about echolalia separately, because the overlap with autism and CAS can make the clinical picture complicated.

How is apraxia of speech diagnosed?

Diagnosis requires a full evaluation by a speech-language pathologist (SLP). There is no single definitive test for CAS, which is genuinely frustrating for families. The diagnosis is clinical, meaning the SLP observes speech patterns, gives standardized assessments, and applies diagnostic criteria.

The most widely used standardized tool in the US is the Diagnostic Evaluation of Articulation and Phonology (DEAP) and, more specifically for CAS, the Dynamic Evaluation of Motor Speech Skills (DEMSS), developed by researchers at the University of Wisconsin-Madison ^[4]. The DEMSS was built to assess the three core features ASHA identifies, and it gives clinicians a structured way to document what they're seeing.

A thorough evaluation will also rule out:

• Hearing loss (audiological testing)
• Structural problems like a cleft palate or tongue-tie
• Dysarthria or other neurological motor speech disorders
• Pure phonological disorders or articulation delays
• Language disorders that might be the primary driver of limited speech output

Parents sometimes push for an MRI or neurological workup. In most cases of CAS there are no visible brain abnormalities on imaging, so imaging is not routinely required and won't change the treatment plan. The exception is acquired apraxia in adults, where imaging is standard to identify the stroke or lesion.

One practical note: getting a diagnosis can take time. Many pediatric SLPs are not specifically trained in CAS, and misdiagnosis as a phonological disorder or "general speech delay" is common. If a family has seen an SLP and gotten a vague answer, it's reasonable to seek an evaluation specifically from a clinician who lists CAS as an area of expertise. CASANA maintains a provider search on their website ^[2].

What causes apraxia of speech?

For most children with CAS, the cause is unknown. That's the honest answer, and it's consistent with what CASANA and the research literature say ^[2]. The brain's motor planning network for speech isn't working typically, but why is often unclear.

Known associations include:

Genetic factors. Mutations in the FOXP2 gene, sometimes called the "language gene," were first linked to a family with severe CAS and other speech and language difficulties. FOXP2 is involved in fine motor learning for speech, and research from Oxford University and others has shown it helps build the neural circuits that speech motor planning depends on ^[5]. But FOXP2 mutations account for only a small fraction of CAS cases. Variants in other genes (including CNTNAP2) are also being investigated.

Complex neurodevelopmental conditions. CAS appears at higher rates in children with galactosemia, fragile X syndrome, Angelman syndrome, and Down syndrome. It also co-occurs with autism spectrum disorder more than chance would predict, though the direction of causation isn't clear.

Acquired causes in children. Sometimes CAS appears after a brain injury, encephalitis, or a neurological event. This is less common than idiopathic CAS.

For acquired apraxia in adults, the cause is almost always a stroke, traumatic brain injury, brain tumor, or progressive neurological disease affecting the left hemisphere's motor speech areas, particularly Broca's area and the surrounding premotor cortex.

Parents sometimes ask whether vaccines, screen time, or diet cause CAS. There is no credible evidence for any of those. The cause is neurological.

How is apraxia of speech treated, and what actually works?

Motor-based, high-frequency speech therapy has the strongest evidence base for CAS. The core principle: because CAS is a motor planning problem, therapy has to look like motor learning. That means a lot of repetition of specific movement sequences, immediate feedback, and practice that is varied enough to build flexible motor programs, more than rote imitation.

Several specific approaches have the most published support ^[6]:

Nuffield Dyspraxia Programme (NDP3). A hierarchical, phoneme-based approach developed in the UK, widely used with younger children.

Dynamic Temporal and Tactile Cueing (DTTC). Developed by Edythe Strand at Mayo Clinic, DTTC uses simultaneous production (SLP and child say the target together), then fades the cuing as the child's accuracy improves. Multiple peer-reviewed studies support its effectiveness ^[6].

Rapid Syllable Transition Treatment (ReST). Targets prosody and coarticulation through nonword practice, developed at the University of Queensland. A 2015 randomized controlled trial showed significant gains ^[7].

Nuances matter here. Drill-based practice of isolated phonemes, which is standard for articulation disorders, is not the right approach for CAS. Therapy should target whole movement sequences and words. And frequency matters: research consistently shows children with CAS need more sessions per week than typical speech therapy (3 to 5 sessions per week during intensive blocks is common, compared to the 1 session per week that many insurance plans default to).

For adults with acquired apraxia, the same motor learning principles apply. Intensive treatment, frequent sessions, and approaches like DTTC and Sound Production Treatment (SPT) have the best evidence ^[1].

AAC (augmentative and alternative communication) can be appropriate alongside speech therapy for children with severe CAS who have very limited functional speech. The concern some parents have, that AAC will reduce the child's motivation to talk, is not supported by research. For more on that, see our overview of aac devices.

If you're looking for ways to supplement clinic-based therapy at home, early intervention services can sometimes provide additional SLP support for children under 3, and for school-age kids, the IEP process is the right channel. One tool parents sometimes use between sessions is Little Words (littlewords.ai/start), an AI speech companion app designed for neurodivergent kids that can give children extra practice opportunities at home.

How is childhood apraxia of speech different from a speech delay or phonological disorder?

This is probably the most common source of confusion, and it genuinely matters for treatment.

A speech delay means a child is picking up speech sounds on the typical developmental path but more slowly than peers. The errors tend to be age-consistent: a 4-year-old saying "wabbit" for "rabbit" is typical; a 7-year-old doing the same is delayed. With a speech delay, the pattern is predictable.

A phonological disorder means the child has organized the sounds of language in a non-standard way. They might consistently delete final consonants, or swap one class of sounds for another. The errors are systematic and rule-governed. That's a phonological processing problem, not a motor planning problem.

CAS is neither of those. The defining feature is inconsistency and motor effort. The same word comes out differently each time. The child visibly struggles. Prosody is off. Progress with traditional articulation drill is slow or absent.

In practice, these can co-occur. A child can have CAS and a phonological disorder at the same time. That's one reason specialist evaluation matters: you need to know which problem is driving the speech pattern in order to target it correctly in therapy.

For a broader look at how to find the right kind of help, the guide to speech therapy and speech therapists covers what to look for in a clinician and what questions to ask.

Does apraxia of speech overlap with autism?

Yes, and in ways that are clinically meaningful. A 2015 study in Autism Research found that approximately 64% of minimally verbal children with autism showed characteristics consistent with CAS ^[8]. That is a striking figure and, if replicated widely, would change how a lot of minimally verbal autistic children receive therapy.

The overlap creates real diagnostic complexity. Both CAS and autism can produce very limited spoken output. Both can involve unusual prosody. Autistic children may also have echolalia, which can mask the inconsistent errors that are diagnostic of CAS. The result is that CAS is frequently missed in autistic children, and those children get language-focused therapy when they also need motor-based speech therapy.

The clinical implication: if a child has autism and very limited or highly inconsistent speech, it is worth specifically asking the evaluating SLP whether CAS has been ruled out, more than assumed absent. For more on how speech therapy approaches differ for autistic children, see autism spectrum speech therapy.

This does not mean every minimally verbal autistic child has CAS. But the co-occurrence rate is high enough that it should be on the differential.

What should parents look for in an apraxia of speech therapist?

Finding the right clinician is genuinely hard. CAS is a specialty area within speech-language pathology, and general training programs give it limited coverage. A study in the American Journal of Speech-Language Pathology found that practicing SLPs reported low confidence in identifying and treating CAS compared to other speech sound disorders ^[9].

What to look for in an apraxia of speech therapist:

Specific CAS training, more than general speech-language pathology credentials. Ask directly: "Do you have training in CAS-specific approaches like DTTC or ReST?" A good clinician will be able to name the approach they use and explain why.

Frequency. If an SLP recommends once-weekly therapy and doesn't mention the need for more intensive periods, that may signal they're applying a standard articulation protocol to a motor planning problem.

Data tracking. Motor learning requires feedback. A good CAS therapist tracks accuracy across sessions and adjusts cuing levels based on data.

Parent coaching. Because frequency matters so much and clinic time is limited, the best therapists train parents to run practice at home. If parent involvement isn't part of the plan, ask why.

For families who can't access a specialist locally, online speech therapy has grown a lot since 2020, and there are SLPs who specialize in CAS and offer telehealth services across state lines (though licensure rules vary by state).

What does the research say about long-term outcomes for children with apraxia?

The outcomes literature for CAS is more hopeful than many parents expect when they first get the diagnosis, but with important caveats about what "good outcome" means and how hard you have to work to get there.

Children with CAS who get early, intensive, motor-based therapy often reach functional speech by school age. A 2018 review in Seminars in Speech and Language summarized the evidence and found that treatment intensity (sessions per week, total hours) was the single strongest predictor of outcomes, more than the specific method used ^[10].

Literacy is a legitimate concern. CAS frequently co-occurs with phonological awareness difficulties, which are the foundation of reading. Children with CAS have elevated rates of dyslexia and reading difficulties, and this should be screened for proactively, not reactively. The International Dyslexia Association recommends early phonological awareness intervention regardless of the severity of the speech impairment.

For acquired apraxia in adults, outcomes depend heavily on the underlying cause, lesion location, and how quickly treatment begins. Post-stroke, intensive speech therapy started early shows better outcomes than delayed treatment, consistent with what is known about neural plasticity. The National Institute on Deafness and Other Communication Disorders (NIDCD) notes that some people recover speech fully while others improve but retain some difficulty ^[11].

Nobody has perfect long-term data on CAS specifically, in part because it was formally defined relatively recently and diagnostic criteria have shifted. The closest we have are small cohort studies and clinical series. What's consistent across them: early treatment and intensity of practice are the two levers families and clinicians can actually pull.

How do you access services and pay for apraxia therapy?

For children under 3 in the United States, the Individuals with Disabilities Education Act (IDEA) Part C requires states to provide early intervention services, including speech-language pathology, at no cost to families if the child qualifies ^[12]. The threshold for qualifying varies by state, but a diagnosis of CAS or a significant developmental speech delay generally qualifies.

For children 3 and older, IDEA Part B covers speech services through the school district. A child with CAS who qualifies for an Individualized Education Program (IEP) is entitled to speech-language services as a related service. The catch: school-based services are designed to address educational impact, and the frequency offered through schools (often once a week for 30 minutes) is usually less than what CAS research recommends. Families often supplement school services with private therapy.

Private speech therapy costs vary widely. In the United States, a typical session runs $100 to $250 per hour depending on location, with urban markets and specialist clinicians at the higher end. Health insurance covers speech therapy to varying degrees: most major plans cover it when there is a medical diagnosis code. Prior authorization is common, and plans often cap annual visits.

For families who don't have adequate insurance coverage and can't access enough public services, some states have Medicaid waiver programs that cover additional speech therapy hours for children with developmental disabilities. CASANA maintains a resource list at their website ^[2].

At home, parent-coached practice, apps designed for motor speech practice, and tools like Little Words (littlewords.ai/start) can extend the work of clinic sessions. They don't replace a skilled therapist, but given the intensity requirements, any additional structured practice time helps.

What is acquired apraxia of speech in adults, and how is it different?

Acquired apraxia of speech in adults follows the same core definition: disrupted motor planning for speech without muscle weakness. But the context is different. It appears suddenly after a neurological event, most commonly a left-hemisphere stroke affecting the frontal lobe, and it often occurs alongside aphasia (a language disorder), which complicates both diagnosis and treatment.

The symptoms in adults look similar to CAS in some ways: inconsistent sound errors, effortful groping for speech movements, abnormal prosody. But in adults there is a before-and-after contrast. The person had normal speech and then lost it. That history matters clinically and emotionally.

Treatment for adults follows the same motor learning principles. Approaches with the best evidence in adults include Sound Production Treatment (SPT), DTTC, and Articulatory Kinematic Treatment ^[1]. Intensive therapy is again tied to better outcomes, particularly in the first months after stroke when plasticity is highest.

AAC is more commonly used in acquired apraxia than in childhood CAS, especially when apraxia is severe or combined with significant aphasia. For adults working through this, the resource on speech therapy for adults covers what to expect from adult SLP services.

One important note for families of adults with progressive neurological disease (like Parkinson's or primary progressive apraxia of speech, a rare variant of frontotemporal dementia): the prognosis and treatment goals are different from post-stroke acquired apraxia. A specialist in motor speech disorders is essential in those cases.

Frequently asked questions

Can a child outgrow apraxia of speech without therapy?

Spontaneous resolution without therapy is uncommon for true CAS. Unlike some speech delays that resolve on their own, CAS involves a motor planning deficit that typically needs explicit, motor-based intervention to correct. Some children with very mild presentations do improve with maturation, but waiting without therapy risks falling further behind peers and missing windows of high neural plasticity. Most specialists recommend starting treatment as soon as CAS is suspected.

At what age can apraxia of speech be diagnosed?

Formal CAS diagnosis is generally more reliable after age 3, because younger children's speech is still developing rapidly and the inconsistency that defines CAS is harder to distinguish from typical early variability. That said, some experienced clinicians will identify features consistent with CAS in children as young as 2 and begin motor-based treatment even before a firm diagnosis. Early treatment is not harmful if the diagnosis later shifts.

Is apraxia of speech the same as a speech impediment?

"Speech impediment" is a lay term covering any difficulty with spoken communication. Apraxia of speech is a specific neurological disorder of motor planning, which is one type of speech difficulty. The term speech impediment also covers stuttering, voice disorders, articulation errors, and dysarthria. Using the specific term matters because CAS needs a different treatment approach than most other speech difficulties.

What is the difference between apraxia of speech and dysarthria?

Both are motor speech disorders, but dysarthria involves actual muscle weakness, paralysis, or incoordination, producing speech that is consistently slurred or weak. Apraxia of speech involves disrupted motor planning with intact muscle strength, producing inconsistent errors and effortful groping for sounds. A person can have both at once, particularly after a stroke, which is why a specialist evaluation matters rather than treating them as interchangeable.

Does apraxia of speech affect reading and writing?

Yes, there is a well-documented association. Because CAS involves disrupted phonological motor programs, many children with CAS also struggle with phonological awareness, the skill underlying reading and spelling. Studies show elevated rates of dyslexia among children with CAS. Proactive screening for phonological awareness difficulties is recommended starting around age 4 to 5, and literacy-focused intervention should run alongside speech therapy, not wait until reading problems are obvious.

Can apraxia of speech be caused by anxiety or stress?

No. Apraxia of speech is a neurological motor planning disorder, not a psychological one. Children and adults with CAS often do feel frustration or anxiety about communication, which can make speaking harder, but that is secondary, not causal. Some people confuse CAS with selective mutism, which is anxiety-based. These are distinct conditions requiring different treatment. A full evaluation will differentiate them.

How many sessions per week does a child with apraxia of speech need?

Research consistently supports more intensive treatment than standard speech therapy models provide. Three to five sessions per week during active treatment blocks is the range most often cited in CAS literature, compared to the once-weekly model common for articulation delays. Edythe Strand and other leading CAS researchers emphasize that intensity of practice, measured in the number of production attempts per session and sessions per week, is a primary driver of outcomes.

Is apraxia of speech hereditary?

There is a genetic component in some families. Mutations in the FOXP2 gene were the first identified genetic cause, found in a multigenerational family where many members had CAS and other speech and language difficulties. Other genetic variants are under investigation. CAS does appear to run in some families at rates above chance, though most cases are idiopathic, meaning no specific genetic cause is identified. A genetic counselor referral can be appropriate if multiple family members are affected.

What does speech therapy for apraxia actually look like in a session?

A typical CAS therapy session for a young child involves a high number of repetitions of targeted words or syllable sequences, with the SLP providing different levels of cuing depending on how the child is performing. In DTTC, the SLP might start with simultaneous production (saying the word together) and gradually fade to delayed imitation and then independent production. Sessions are often short (20 to 30 minutes) but frequent, and parents are usually coached to run brief home practice between sessions.

Can adults develop apraxia of speech?

Yes. Acquired apraxia of speech in adults typically follows a stroke, traumatic brain injury, or brain tumor affecting the left frontal lobe. It can also appear as part of progressive neurological conditions. Adults who had normal speech before the event will notice sudden difficulty initiating or sequencing speech movements. Treatment follows the same motor learning principles as childhood CAS, with better outcomes when intensive therapy starts early after the neurological event.

How do I find a therapist who specializes in childhood apraxia of speech?

CASANA (Childhood Apraxia of Speech Association of North America) maintains a provider directory specifically for CAS-trained clinicians at apraxia-kids.org. When contacting any SLP, ask directly whether they have training in DTTC, ReST, or Nuffield, and how many children with CAS they currently treat. General speech-language pathology credentials alone are not sufficient, since CAS training is not uniformly covered in graduate programs.

Is AAC appropriate for a child with apraxia of speech?

AAC can be appropriate, especially for children with severe CAS who have very limited functional spoken communication. Using AAC does not prevent or reduce speech development. Research does not support the concern that AAC makes children less motivated to speak. In practice, AAC often reduces communication frustration and can support language development while motor speech therapy continues. The decision should be made with an SLP who knows the child's specific profile.

What ICD-10 code is used for apraxia of speech?

Acquired apraxia of speech in adults typically uses ICD-10 code R47.01 (aphasia) or F80.89, depending on the clinical context and the specific billing practices of the facility. Childhood apraxia of speech is most often coded under F80.0 (phonological disorder) or F80.89 (other developmental disorders of speech and language). Coding varies by clinician and insurer, and the specific code affects insurance authorization, so it's worth confirming with your SLP's billing office.

Sources

1. American Speech-Language-Hearing Association (ASHA), Apraxia of Speech (Acquired) Practice Portal: ASHA defines apraxia of speech as a neurological speech sound disorder in which the precision and consistency of movements underlying speech are impaired in the absence of neuromuscular deficits
2. Childhood Apraxia of Speech Association of North America (CASANA), About CAS: Childhood apraxia of speech affects approximately 1 to 2 children per 1,000; CASANA maintains a provider search directory
3. Journal of Speech, Language, and Hearing Research, Lewis et al. 2004, Psycholinguistic Skills of Children with Speech Sound Disorders: CAS co-occurs with language disorders, literacy difficulties, and sometimes autism spectrum disorder
4. University of Wisconsin-Madison, Dynamic Evaluation of Motor Speech Skills (DEMSS) development: The DEMSS was developed at University of Wisconsin-Madison specifically to assess the three core diagnostic features of childhood apraxia of speech
5. Nature, Lai et al. 2001, A forkhead-domain gene is mutated in a severe speech and language disorder: Mutations in the FOXP2 gene were first linked to a family with severe childhood apraxia of speech and other speech and language difficulties
6. American Journal of Speech-Language Pathology, Murray et al. 2015, A Systematic Review of Treatment Outcomes for Children with Childhood Apraxia of Speech: DTTC and ReST have the most published support among CAS-specific treatment approaches
7. Journal of Speech, Language, and Hearing Research, Murray et al. 2015, Randomized Controlled Trial of ReST for Childhood Apraxia of Speech: A 2015 randomized controlled trial of ReST showed significant speech gains in children with CAS
8. Autism Research, Tierney et al. 2015, Auditory-motor entrainment and apraxia of speech in minimally verbal children with autism: Approximately 64% of minimally verbal children with autism showed characteristics consistent with childhood apraxia of speech
9. American Journal of Speech-Language Pathology, Karlsson et al. 2021, SLP confidence in identifying and treating CAS: Practicing SLPs reported low confidence in identifying and treating CAS compared to other speech sound disorders
10. Seminars in Speech and Language, 2018 review of CAS treatment outcomes: Treatment intensity (sessions per week, total hours) was the single strongest predictor of CAS outcomes, more than the specific method used
11. National Institute on Deafness and Other Communication Disorders (NIDCD), Apraxia of Speech: Some people with acquired apraxia recover speech fully while others improve but retain some difficulty; NIDCD overview of acquired apraxia
12. U.S. Department of Education, Individuals with Disabilities Education Act (IDEA) Part C: IDEA Part C requires states to provide early intervention services including speech-language pathology at no cost to families for eligible children under 3