Childhood Apraxia of Speech: Spotting the Early Signs
Updated: Oct 17
By Tamara Gonzalez-Scheulov, CCC-SLP
Speech development involves learning to coordinate precise movements of the lips, tongue, and jaw to produce sounds, syllables, and words. For children with childhood apraxia of speech (CAS), planning and organizing these movements can be particularly challenging.
Understanding how speech is produced can help explain these difficulties and why recognizing possible early signs requires careful assessment.
What Is Childhood Apraxia of Speech?
Childhood apraxia of speech (CAS) is a neurological speech sound disorder that affects the planning and programming of movements needed for speech. Muscle weakness is not the underlying cause.
Three features commonly associated with CAS include:
Inconsistent consonant and vowel errors across repeated attempts.
Difficulty moving smoothly between sounds and syllables.
Unusual patterns of rhythm or stress.
These features help guide assessment, but they do not form a checklist that can confirm CAS on its own.
How Speech Movements Come Together
Even a short word requires a carefully coordinated series of movements. The brain must plan where the tongue, lips, and jaw need to move and precisely when those movements should happen.
Consider the word “can,” as in “Can I go?”
Before speaking, we need to know what we want to communicate and find the words to express it. Then, to say “can,” we must:
Coordinate breathing to provide airflow.
Lift the back of the tongue to make the “k” sound.
Quickly change the position of the tongue and jaw while turning on the voice for the vowel.
Move the tongue tip behind the upper front teeth and direct air through the nose for “n.”
Prepare for the next word while finishing the first.
These movements overlap and happen in a fraction of a second. Speech requires more than making individual sounds, it requires moving smoothly from one sound to the next. For children with CAS, planning and organizing these movement sequences is difficult. A child may know what they want to say but struggle to produce the movements accurately and consistently.
Spotting the Early Signs
Possible early signs may emerge as children begin babbling and developing their first words. However, these signs can overlap with other speech and language difficulties. Recognizing them can help families seek a comprehensive evaluation and appropriate early support. In babies and toddlers, possible clues include:
Limited or less varied babbling
You may hear relatively few combinations of consonants and vowels.
A small variety of speech sounds.
Your child may rely on the same few sounds across many attempts.
Mostly simple syllable shapes.
Moving beyond a single syllable or repeating the same syllable may be difficult.
Late or difficult development of first words.
Learning to say new words may seem particularly challenging.
Signs That May Become Clearer as Speech Develops
As children begin using more words, there are more opportunities to observe how they produce sounds and move between syllables. Alongside the early signs above, an SLP may listen and watch for the following:
Words that sound different across attempts
A child may change the sounds in the same word when trying it several times. Inconsistency alone does not establish CAS.
Difficulty moving smoothly between sounds and syllables
Speech may sound broken apart, with unusual pauses within a word.
Unusual rhythm or stress
A child may emphasize an unexpected syllable or give syllables equal emphasis.
Greater difficulty with longer or more complex words
A short word may be easier than a word requiring several different movements.
Vowel errors or visible searching movements
Vowels may sound distorted, or the child may appear to search for the mouth position needed to begin a word.
Can CAS be identified before age 3?
Diagnosing CAS in children younger than 3 years can be challenging because speech may be limited and evidence for reliable early diagnostic indicators remains insufficient. Although research has identified several potential early signs, these should be interpreted cautiously within a comprehensive assessment. A provisional diagnosis of “suspected CAS” may guide intervention while the child’s speech development is monitored.
An experienced SLP may use a provisional description such as “suspected CAS,” begin appropriate intervention, and reassess as speech develops. You do not need to wait for a firm diagnosis, or a third birthday, to seek help.
What should an evaluation include?
Look for an SLP with training and experience in childhood motor speech disorders.
The evaluation should examine speech movements, speech sounds, rhythm, language, and everyday communication. The SLP may try different cues to see what helps your child produce speech. A hearing check is also important.
Feeding difficulties or coordination differences may deserve additional assessment, but neither confirms CAS.
How is CAS treated?
Childhood apraxia of speech requires individualized speech-language therapy that addresses the planning and coordination of speech movements. Treatment helps children produce words more accurately and consistently, move smoothly between sounds and syllables, and develop natural rhythm and stress.
Practicing Functional Communication
Therapy provides repeated opportunities to practice speech movements in syllables, words, and phrases that match the child’s abilities and everyday communication needs. Targets may include words used to request help, join play, or connect with family.
Tactile Cues
Tactile cues use touch to help children feel the movements needed for speech. Combined with watching and listening to a spoken model, these cues provide additional information about where, how much, and when to move.
One specialized approach that incorporates tactile cues is PROMPT, which stands for Prompts for Restructuring Oral Muscular Phonetic Targets. It uses touch cues on the face to support coordination of the jaw, lips, and tongue during speech.
Tactile cues are also used within other speech treatment approaches. Their use does not necessarily mean a child is receiving PROMPT therapy. Cues should be individualized, with attention to the child’s comfort and willingness to participate.
Shaping Words Through Approximations
A word approximation is a simplified attempt at a word that a child is not yet able to say clearly. The Kaufman Speech to Language Protocol (K-SLP) uses successive approximations, gradually shaping a child’s best attempt toward a more accurate production.
An SLP selects a starting point based on the sounds and speech movements the child can produce. Through practice and carefully chosen cues, the child works toward clearer, more complete words.
This approach allows children to use meaningful words before they can pronounce every sound accurately. Their message is acknowledged while therapy continues to build speech accuracy. For parents, this means responding to the child’s communication and practicing the specific word forms recommended by their SLP.
Building Speech Sequences Step by Step
Therapy may begin with simple sound combinations and gradually introduce more complex words and phrases. This gives children opportunities to practice coordinating speech movements in manageable steps.
For example, a child may begin with a short consonant–vowel combination, such as “me,” before practicing words that require more changes in mouth position or additional syllables. The SLP carefully selects targets, sometimes changing just one sound or feature at a time to build on a familiar movement sequence.
As skills develop, practice may progress to longer words and words within sentences, with cues adjusted to the child’s needs.
The goal is to develop accurate, smooth transitions between sounds and syllables, then use those skills in everyday communication. The starting point and progression are individualized for each child.
Frequent, Repeated Practice
Children with CAS often need frequent, individualized speech therapy with many opportunities to practice speech movements. This practice supports motor learning, which involves learning and remembering how to coordinate the movements needed to say sounds, syllables, and words.
The amount of practice within a session also matters. In a small study of two children with CAS, more frequent speech attempts generally helped children learn targeted productions faster than fewer attempts within the same practice time.
The SLP balances repetition with appropriate cues, feedback, and engaging activities. Partnering with families creates additional opportunities for brief, supported practice during familiar routines between sessions.
Partnering With Families
When an SLP sees a child once a week, partnering with families creates opportunities for practice between visits.
The SLP can demonstrate how to practice a few selected words during familiar routines. For example, a family might practice “go” while rolling a car, “up” during play, or “more” while requesting another turn. These short moments can be spread throughout the day, with breaks when the child becomes tired or frustrated.
What can parents do at home?
Respond to the message
Acknowledge pointing, gestures, sounds, and words. For example: “You want the car! Here it comes!”
Keep practice brief and positive
Between sessions, families can provide brief practice opportunities using words and cues selected with their SLP. Practice can be woven into familiar routines and play, with breaks when needed. Use words and cues selected with your SLP. Take a break when your child becomes overwhelmed.
Make room for different ways to communicate
Signs, pictures, and speech-generating devices are forms of augmentative and alternative communication (AAC).
Parents sometimes worry that AAC will discourage talking. Research indicates that AAC does not hinder speech development and may support increases in spoken language, although outcomes vary across children.
Children can use AAC while continuing to receive treatment for speech.
One option is a core word board, which contains symbols for frequently used words such as “go,” “more,” “help,” and “stop.” During play, you might point to “go” while saying “Go!” before rolling a car. This models another way to communicate without requiring your child to copy you or say the word.
The Little Chatterbox Way
At Little Chatterbox, our approach is relationship-based, play-centered, and family-focused. We begin with connection - following your child’s interests, recognizing their communication attempts, and creating meaningful reasons to interact.
Within playful activities and familiar routines, we incorporate purposeful speech practice tailored to your child’s abilities. We value every way your child communicates, including sounds, words, gestures, signs, and AAC, while supporting clearer and more coordinated speech.
Families are partners in this process. Together, we identify useful words and practical ways to support communication throughout the day, with attention to your child’s comfort, confidence, and enjoyment.
About the Author
Tamara Gonzalez-Scheulov, CCC-SLP, is the owner of Little Chatterbox, LLC in St. Augustine, Florida. She has experience in early intervention, private practice, and school-based settings. She holds master’s degrees in Educational Research from the University of Oxford and Communication Sciences and Disorders from Idaho State University. Her approach combines evidence-based practice with play, connection, and family-centered coaching to support communication through everyday routines and play.
References
References
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