Roughly 8-9% of young children have a speech sound disorder, which results in difficulties producing speech sounds correctly and often has no known cause, according to the National Institute on ...

Childhood apraxia of speech (CAS) is a developmental disorder in which the precision and temporal coordination of the movements required for speech are impaired, despite normal neuromuscular function.

Speech sound disorder (SSD) encompasses a group of communication disorders in which children have persistent difficulty articulating words or sounds correctly. Speech sound production requires both ...