Last updated 2026-07-09
TL;DR
Apraxia of speech doesn't clear up overnight, but it responds well to therapy that's specific and frequent. The three approaches with the strongest evidence behind them are DTTC, NDP3, and ReST. Kids generally need 3 to 5 sessions a week during the intensive phase of treatment, and daily practice at home with a parent tends to matter more than almost anything else for how quickly a child moves forward.
What makes apraxia different from other speech delays?
Apraxia of speech is a motor planning problem. The brain knows exactly what word it wants to produce, but it has trouble sending the right sequence of movement instructions to the lips, tongue, and jaw. That's not the same as a phonological disorder, where a child hasn't yet learned the sound rules of language, and it's not the same as dysarthria, where the muscles themselves are weak.
The American Speech-Language-Hearing Association (ASHA) defines childhood apraxia of speech (CAS) as "a neurological childhood speech sound disorder in which the precision and consistency of movements underlying speech are impaired in the absence of neuromuscular deficits." [1] That last part is the key: the muscles work fine. The breakdown happens in the motor program that coordinates them.
This is why treatment looks different for CAS than for other speech issues. Exercises meant to strengthen the tongue or lips, like blowing horns or chewing on resistive foods, don't do much for it. What helps is practicing real speech movements over and over, with the right feedback along the way. If your child's therapy has leaned heavily on non-speech oral motor drills without much progress to show for it, it's worth bringing up with their speech-language pathologist (SLP).
For more on what the diagnosis actually involves, our apraxia of speech page walks through the basics, and childhood apraxia of speech goes deeper into the childhood-specific version.
Can it be fixed?
"Fixed" isn't really the right way to think about it, but progress is real, and often substantial. Most children with childhood apraxia of speech become functional communicators, and plenty reach speech that's appropriate for their age. How far a child gets depends on how severe the apraxia is, how early treatment starts, and how consistently practice happens.
Mild CAS caught before age 3 and treated intensively often resolves to the point where a child sounds like their peers by kindergarten. Moderate to severe CAS diagnosed later, or treated on and off, tends to move slower, and some differences may persist into adulthood. That's not a reason to lose hope. It's a reason to start now and be deliberate about it.
Adults with acquired apraxia of speech, often following a stroke or brain injury, respond to treatment as well, using the same motor-learning principles, even though an adult brain doesn't have the same plasticity a young child's does. Starting before age 5 is linked to better outcomes, but meaningful gains are possible at any age. [2] Our early intervention guide gets into why those early years carry so much weight.
Nobody has clean numbers on what percentage of kids fully resolve CAS. Severity varies enormously, and the diagnosis itself was only standardized fairly recently. The closest thing to a definitive answer, a systematic review published in the Journal of Speech, Language, and Hearing Research in 2014, found strong evidence that treatment works, even though long-term outcome data broken down by severity are still thin. [3]
Which treatments actually have evidence behind them?
Three approaches stand out as having the strongest research base for CAS specifically. They're all quite different from general articulation therapy, so it's worth knowing which one your SLP is using and why.
Dynamic Temporal and Tactile Cueing (DTTC) is probably the most studied of the three. Edythe Strand developed it at Mayo Clinic, and it starts with simultaneous production, where the child and SLP say the word together at the same time, then gradually pulls back support as accuracy improves. It's slow and repetitive by design. [3]
Nuffield Dyspraxia Programme (NDP3) builds a structured hierarchy from sounds up through syllables, words, and sentences, with a good amount of visual support built in. It's more common in the UK but SLPs use it internationally too.
Rapid Syllable Transition Treatment (ReST), developed at the University of Sydney, focuses on multi-syllable words, which tend to be the hardest thing for kids with CAS to manage. A 2018 randomized controlled trial found children who received ReST made significantly greater gains than a no-treatment control group. [4]
Some SLPs also use the Kaufman Speech to Language Protocol (K-SLP), which breaks words down into their simplest motor form and rebuilds them gradually. It has solid clinical support, though the formal research behind it is thinner than DTTC's.
| Treatment | Best evidence for | Who developed it | Available research |
|---|---|---|---|
| DTTC | CAS, moderate-severe | Edythe Strand, Mayo Clinic | Multiple studies, systematic reviews |
| NDP3 | CAS, all ages | Nuffield Hearing & Speech Centre | Good clinical evidence, fewer RCTs |
| ReST | CAS, multi-syllable words | Uni. of Sydney team | RCT published 2018 |
| K-SLP | CAS, early words | Nancy Kaufman | Clinical evidence, limited RCTs |
| Non-speech oral motor exercises | Not recommended for CAS | Various | Evidence does not support use for CAS |
That last row is on there deliberately. If a therapy plan for CAS is mostly tongue exercises and blowing through straws, treat that as a red flag. ASHA's technical report states plainly that non-speech oral motor exercises aren't recommended as a primary treatment for CAS. [1]
How many sessions a week does a child actually need?
More than most insurance plans want to pay for, honestly.
Motor learning research shows fairly consistently that skills built through frequent, spread-out practice stick better than skills crammed into one long weekly session. For CAS, ASHA's practice portal recommends frequent, intensive treatment, typically 3 to 5 sessions a week during active treatment phases. [1] Once a child starts hitting targets reliably, sessions can taper off.
In practice, a lot of families end up with one or two sessions a week through school or insurance. That can still work, but it moves slower, and it puts a lot more weight on what happens at home in between. A child getting two 45-minute sessions a week who also practices for 10 minutes daily at home will almost always outpace a child who only shows up once a week for therapy and does nothing else.
If your child has an IEP, you can ask for a higher service frequency. Schools are required under IDEA to provide services that give a child educational benefit, and for a child with CAS, occasional pull-out sessions may not clear that bar. [12] Getting a private SLP evaluation alongside the school's gives you concrete data to push back with if needed.
Some families look into intensive therapy camps that pack many sessions into a few weeks. Apraxia Kids lists summer intensive programs, and while the research on massed practice for motor learning isn't CAS-specific, it's genuinely promising. [5]
What can parents do at home to help fix apraxia?
Home practice is not optional. It's where the motor learning actually consolidates. Your SLP should give you specific targets (exact words or syllable shapes your child is working on) and show you how to cue correctly at home.
Here's what good home practice looks like in real life. You pick 5 to 10 target words your SLP has cleared. You practice them in short sessions (5 to 15 minutes, depending on the child's age and stamina) every single day. You give the child time to try before jumping in with a correction. You use the same cuing hierarchy your SLP uses: if they're doing DTTC, you say the word together first, then see if the child can do it alone. You celebrate attempts more than perfect productions.
A few things to avoid. Don't lean on "Can you say ___?" as your main strategy. That's an open question, and kids with CAS often respond by going silent or saying something unrelated. Model the target instead, and give a clear opportunity to imitate. Don't correct every error on every word in conversation. Save the explicit practice for practice time, and keep conversation low-pressure.
For kids who are minimally verbal or who have very limited sound inventories, AAC devices can take enormous pressure off while speech motor skills develop. AAC does not slow speech development. There's no credible evidence it does, and some evidence it supports speech. [6]
If you want structured daily support between therapy sessions, tools like Little Words are built specifically for neurodivergent kids and can keep home practice consistent without making it feel like homework. Take the quiz at littlewords.ai/start to see if it fits your child's profile.
How long does it take to see improvement with apraxia treatment? Honestly, it depends on the child, but there are some real anchors worth knowing. With intensive treatment (4 to 5 sessions per week plus daily home practice), many families notice changes in specific target words within 4 to 6 weeks. That doesn't mean overall intelligibility has jumped, just that the words being drilled are getting clearer. Generalization to untrained words and spontaneous speech takes longer, often several months. A child with mild CAS and no co-occurring conditions who starts treatment before age 4 might reach typical intelligibility within 1 to 2 years of consistent therapy. A child with severe CAS plus co-occurring language or attention challenges might need 4 to 6 years of therapy and still use some compensatory strategies as an adult. Both are real outcomes, not failures. CAS also tends to stall, then jump. That's frustrating, but it's consistent with how motor learning works: the brain consolidates before it generalizes. If a child seems stuck, the SLP should reassess the targets and whether the approach itself needs to shift. For kids who are also autistic or have other co-occurring conditions, the timeline often runs longer, partly because coordinating attention during practice is a skill of its own. Autism spectrum speech therapy handles these overlapping challenges differently than CAS-only treatment. Finding an SLP who actually knows how to treat apraxia is one of the most useful things you can figure out early, and there's a real path to it. The Apraxia Kids organization (apraxia-kids.org) keeps a directory of SLPs who have self-identified as having CAS training. It's not a perfect filter, but it's a start. ASHA's Find a Professional directory also lets you search by specialty area.[5] When you interview an SLP, ask three things. What treatment approach do they use for CAS? Mentions of DTTC, ReST, NDP3, or Kaufman are a good sign; if they mostly describe oral motor exercises or just say "articulation therapy," that's a concern. How many children with confirmed CAS have they treated in the last two years, since experience matters a lot in motor learning treatments. And what will home practice look like, including how they'll tell you what to do between sessions. You don't need to be a clinician to judge the answers, just to know what to listen for. Online speech therapy is a legitimate option here too, and some of the most CAS-specialized SLPs work remotely. A 2019 study in the International Journal of Telerehabilitation found telepractice outcomes comparable to in-person treatment for school-age children with CAS.[7] That matters most if you live somewhere CAS specialists are rare. For a general sense of what the therapy process looks like, the speech therapy guide covers the basics. Apraxia treatment works for adults too, though the approach and expectations differ. Acquired apraxia of speech in adults (most often after stroke, traumatic brain injury, or neurodegenerative disease) responds to the same motor learning principles as CAS. DTTC has been adapted for adults, and there's good evidence for Treatment of Underlying Forms (TUF) and metrical stress treatments when someone struggles with word and sentence rhythm. Adult brains have less plasticity than young children's, so progress is usually slower and takes more effort, but slower isn't the same as negligible. Many adults who stick with intensive, consistent therapy regain functional communication. The American Academy of Neurology and ASHA both note that intensity matters as much for adults as for children: more frequent sessions in the early post-stroke period link to better outcomes.[8] The critical window is real but often overstated, and meaningful gains are still possible years after onset. Self-monitoring becomes a bigger part of therapy for adults than it is for young children: adults can learn to notice when a word went wrong and correct themselves deliberately. The speech therapy for adults page goes further into adult-specific approaches. If your child was just diagnosed, take a breath, then move on the practical steps, because early and frequent treatment makes a real difference. Start by getting the full evaluation report from whoever diagnosed your child, so you understand the severity rating (mild, moderate, severe) and whether there are co-occurring diagnoses like autism, language delay, or a phonological disorder. Each of those changes the treatment plan. If the diagnosis came through your school district, you can pursue a private SLP who specializes in CAS at the same time. School services and private therapy aren't mutually exclusive, and school SLPs are often generalists without deep CAS training. It also helps to connect with other families: the Apraxia Kids organization runs a parent community, state chapters, and an annual conference, and what families share about what actually worked is often more useful than anything in a pamphlet.[5] And it's worth learning the basics of whatever approach your SLP uses. You don't need a master's degree, but understanding why your child does what they do makes home practice more effective and helps you advocate in IEP meetings. A formal medical workup is sometimes warranted as well. In a subset of children, CAS is linked to a genetic condition (FOXP2 variants, chromosome 16p11.2 deletions, and others), and a developmental pediatrician or geneticist can tell you whether that's relevant for your child. The American Academy of Pediatrics recommends referring any child with suspected CAS to a neurologist or developmental pediatrician when the cause is unclear.[9] Apraxia and autism can be related, and this overlap gets missed too often. CAS shows up more often in autistic children than in the general population, though prevalence numbers vary a lot depending on how both diagnoses are made. Some research suggests up to 65% of minimally verbal autistic children may have features consistent with CAS, though that figure comes from studies with specific sampling and should be read cautiously.[10] The tricky part is that autism and CAS can look similar on the surface, with inconsistent sound production and limited spontaneous speech in both, so telling them apart takes an SLP who knows both well. When a child has both, treatment needs to address the motor planning piece and the social communication and sensory pieces together. For autistic children who are minimally verbal or nonverbal, AAC is often the right first move even while speech therapy continues; the research supports using AAC alongside speech treatment rather than waiting for speech to develop first.[6] Our echolalia and echolalia meaning articles cover another pattern common in autistic children that's sometimes confused with apraxia. If your child has both diagnoses, look specifically for an SLP experienced in both areas: the autism spectrum speech therapy page goes into what a combined approach looks like. As for knowing whether treatment is working: your SLP should be tracking data every session, and if they're not showing you measurable progress over time, ask why. Good CAS therapy produces two kinds of change, accuracy on the specific words being drilled and generalization to new, untrained words with similar sound patterns. Both matter. A child who nails trained words but doesn't generalize at all may need different targets or a different approach entirely. Parents can track progress informally too. Film your child saying the same 10 words (a mix of trained targets and everyday words) every 4 to 6 weeks and compare the videos over time. You'll often catch progress that's hard to notice day to day. Overall intelligibility, meaning the percentage of speech a stranger can understand, is the broadest measure, and there are free, parent-reported tools for this like the Intelligibility in Context Scale (ICS).[11] A child going from 20% intelligible to 60% intelligible over a year is making real progress even if it doesn't feel "fixed." If six months pass with no measurable change in trained targets, that's a signal to reassess: the targets, the approach, or the frequency may need to change. A good SLP welcomes that conversation, and if yours doesn't, that tells you something too. Tools like Little Words can give parents a structured way to track which words their child is attempting and succeeding with at home, which in turn gives your SLP better data between formal assessments. This article is for general information and isn't a substitute for guidance from your child's own SLP or medical team.Frequently asked questions
Can apraxia of speech go away on its own without therapy?
There's no good evidence that CAS resolves without treatment. It is not a developmental delay that children simply outgrow. A few children with very mild presentations may make progress with general language exposure, but the research consistently shows that explicit motor-based therapy is what produces reliable improvement. Waiting is not a neutral choice. It costs time during the most neuroplastic period of development.
What's the difference between apraxia and a speech delay?
A speech delay means a child is producing sounds and words later than typical, but the pattern of development is mostly normal. Apraxia is a motor planning disorder where speech is inconsistent, harder on longer or more complex words, and doesn't improve the way a typical delay does with general exposure. A child with a delay usually responds well to standard articulation therapy. A child with CAS needs motor-based approaches like DTTC or ReST.
At what age can apraxia be diagnosed?
Most specialists are cautious about diagnosing CAS before age 3 because there isn't enough speech to evaluate the pattern reliably. Some experienced SLPs will use the term 'suspected CAS' for younger children and begin appropriate treatment anyway, since the approach is low-risk and potentially high-benefit. Apraxia Kids recommends seeking evaluation if a child shows red flags (very limited sounds, highly inconsistent speech, difficulty imitating) even before a formal diagnosis is possible.
Does apraxia affect reading or learning?
CAS can co-occur with dyslexia and other language-based learning differences, and some children with CAS have a harder time with phonological awareness tasks that underlie reading. This isn't universal. Many children with CAS have strong language and literacy skills. But it's worth monitoring, and an SLP who also screens for phonological awareness can catch any issues early. A full speech-language evaluation (more than an articulation screen) is the right starting point.
Is apraxia of speech genetic?
Sometimes. Variants in the FOXP2 gene are the most studied genetic link to speech and language disorders including apraxia, though FOXP2 variants account for only a small share of CAS cases. Deletions at chromosome 16p11.2 and galactosemia are also associated with CAS. For most children, no specific genetic cause is found. If there's a family history of speech or language difficulties, or CAS occurs alongside other developmental concerns, a genetics referral is reasonable to consider.
Should a child with apraxia use AAC while they're working on speech?
Yes, in most cases. AAC (augmentative and alternative communication, including picture boards, speech-generating devices, or apps) does not slow speech development, and there's no credible evidence it does. For a child with limited verbal output, AAC reduces frustration, supports language development, and keeps communication going while motor skills are built. Many SLPs recommend starting AAC and speech therapy at the same time rather than waiting for speech to develop first.
What are the signs that a child has apraxia rather than just being a late talker?
Key signs include: speech that is highly inconsistent (the child says 'bye' clearly today but can't produce it tomorrow), errors that increase as words get longer, better performance on automatic words (like 'mama') than requested ones, limited vowel variety, and groping movements of the mouth while searching for a sound. Late talkers generally have fewer words but produce them consistently. If you're seeing the inconsistency and groping pattern, an SLP evaluation is the right next step.
How do I get school services for a child with apraxia?
Request a special education evaluation in writing from your school district. Under IDEA (the Individuals with Disabilities Education Act), the school must evaluate within 60 days and, if the child qualifies, develop an IEP. CAS typically qualifies under the category of Speech or Language Impairment. You can also request specific services (frequency, approach) in the IEP meeting. An independent private SLP evaluation gives you your own data to bring if you disagree with the school's recommendations.
Are there apps that help with apraxia of speech practice?
Several apps can support home practice, though none replace a qualified SLP. Apps are most useful for keeping daily practice consistent between sessions. Look for ones that let you load your child's specific targets (the words their SLP is working on) rather than generic word lists, give clear models for imitation, and track attempts over time. Any app should supplement therapy guided by an SLP who knows your child's motor learning profile, not replace it.
Does online speech therapy work for apraxia?
Yes. A 2019 study in the International Journal of Telerehabilitation found that school-age children receiving CAS treatment via telepractice made comparable gains to those getting in-person therapy. What needs to work: a stable video connection, good audio quality, and an SLP comfortable delivering motor-based cueing remotely. For families in areas without local CAS specialists, online therapy meaningfully expands access to experienced clinicians.
How much does apraxia speech therapy cost without insurance?
Private SLP sessions in the US typically run between $100 and $300 per session, with big regional variation. At the recommended 4 to 5 sessions per week during intensive phases, that's $400 to $1,500 per week out of pocket. Many SLPs offer sliding scale fees. University training clinics often provide services at much lower cost. Some states have Medicaid waivers that cover private therapy for children with developmental diagnoses. Eligibility and coverage vary by state.
Can a child with severe apraxia learn to speak?
Many do, though the path is longer and the endpoint less predictable than with mild CAS. Some children with severe CAS become functional verbal communicators after years of intensive therapy. Others reach partial verbal communication alongside steady AAC use. Severity at diagnosis does not perfectly predict long-term outcome. Early treatment, high frequency, consistent home practice, and an experienced SLP are the factors most within a family's control. Starting treatment is always better than waiting.
What is DTTC and how does it work?
Dynamic Temporal and Tactile Cueing (DTTC) is a motor-based treatment for CAS developed by Edythe Strand at Mayo Clinic. The SLP and child say a target word at the same time at first (maximum support), then the SLP fades their voice gradually until the child produces the word independently. The SLP also uses touch cues on the face or jaw to guide movement when needed. The goal is to build a reliable motor program through many repetitions with decreasing support.
Sources
- ASHA, Childhood Apraxia of Speech Practice Portal: ASHA defines CAS as a neurological childhood speech sound disorder and states non-speech oral motor exercises are not recommended as primary treatment
- ASHA, Early Intervention: Early intervention before age 5 is associated with better speech and language outcomes
- Murray E, McCabe P, Ballard KJ. Journal of Speech, Language, and Hearing Research, 2014: Systematic review found strong evidence that treatment for CAS is effective, including DTTC
- Murray E, McCabe P, Ballard KJ. Journal of Speech, Language, and Hearing Research, 2015 (ReST RCT): Randomized controlled trial found children receiving ReST made significantly greater gains than a no-treatment control group
- Apraxia Kids, Find a Speech-Language Pathologist: Apraxia Kids maintains a directory of SLPs with CAS training and lists summer intensive programs
- ASHA, Augmentative and Alternative Communication Practice Portal: AAC does not impede speech development and is recommended alongside speech therapy for minimally verbal children
- Grogan-Johnson S et al., International Journal of Telerehabilitation, 2019: Telepractice CAS treatment produced outcomes comparable to in-person treatment for school-age children
- American Academy of Neurology: Higher intensity treatment in the early post-stroke period is associated with better speech recovery outcomes in adults with acquired apraxia
- American Academy of Pediatrics, Developmental Surveillance and Screening: AAP recommends referral to developmental pediatrician or neurologist when cause of suspected CAS is unclear
- Tierney C et al., Journal of Autism and Developmental Disorders, 2015: A subset of minimally verbal autistic children show features consistent with CAS; estimated prevalence varies across studies
- McLeod S, Harrison LJ, McCormack J. American Journal of Speech-Language Pathology, 2012 (ICS): The Intelligibility in Context Scale (ICS) is a validated, free parent-reported measure of speech intelligibility
- U.S. Department of Education, IDEA Statute and Regulations: Under IDEA, schools must evaluate children within 60 days of a written request and provide services that give educational benefit