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Causes
By Mayo Clinic staffChildhood apraxia of speech (CAS) has a number of possible causes, but in many cases a cause can't be determined. Doctors often don't observe a problem in the brain of a child with CAS.
CAS may be the result of brain (neurological) conditions or injury, such as stroke, infections or traumatic brain injury.
CAS also may occur as a symptom of a genetic disorder, syndrome or metabolic condition. For example, CAS occurs more frequently in children with velocardiofacial syndrome and galactosemia.
CAS is sometimes referred to as developmental apraxia. However, children with CAS don't necessarily grow out of CAS as they develop. In many children with delayed or developmental disorders, children follow usual patterns in development of speech and sounds, but they develop more slowly than usual. Children with CAS don't make typical developmental sound errors. They need speech therapy to make maximum progress.
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