Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Childhood apraxia of speech(also: CAS, Developmental verbal dyspraxia, DVD)
- A motor speech disorder in which the brain has difficulty planning and coordinating the precise movements of the tongue, lips, jaw, and palate needed for intelligible speech. Unlike other speech disorders caused by muscle weakness, CAS involves impaired motor programming — the…
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