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Definition

noun

A neurological disorder characterized by an inability to perform a learned motor act caused by a cortical lesion, not by paralysis, lack of sensory function, or incomprehension.

Supplement

Different types of apraxia are:

• transcortical apraxia
• innervation apraxia
• verbal apraxia
• constructional apraxia
• oculomotor apraxia
• ideational apraxia

Word origin: from a- (without) + Greek praxis (an act, work or deed)
Related forms: apractic (adjective)