Apraxia

Difficulty performing learned actions not adequately explained by elementary weakness, sensory loss or failure to understand the instruction. Different clinically named forms need not share one processing mechanism.

Difficulty organizing dressing actions that can involve relationships between clothing, the body and space. Motor limitations, understanding and neglect require separate assessment.

A traditional clinical term for impaired copying, drawing or assembly of spatially organized material. Failures can involve spatial representations, neglect and planning rather than one general motor-program deficit.