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Apraxia of Speech

Apraxia is a disorder caused by damage to specific areas of the cerebrum, characterized by loss of the ability to execute or carry out learned purposeful movements, despite having the desire and the physical ability to perform the movements. It is a disorder of motor planning, which may be acquired or developmental. Apraxia of speech (also known as “verbal apraxia” or “dyspraxia”) is a speech disorder in which a person has difficulty saying what he or she wants to say correctly and consistently. It is not due to weakness or paralysis of the speech muscles (i.e., the muscles of the face, tongue, and lips). In contrast with aphasia, apraxia is a motor planning disorder involving coordination of the muscles used for speech. The severity of apraxia of speech can range from mild to severe.