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apraxia

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apraxia

Disturbance in carrying out skilled acts, caused by a lesion in the cerebral cortex; motor power and mental capacity remain intact. Motor apraxia is the inability to perform fine motor acts. Ideational apraxia is loss of the ability to plan even a simple action. In ideokinetic apraxia, there is no coordination between formation of ideas and motor activity; affected persons can do certain things automatically but not deliberately. Constructional apraxia is the inability to put together elements to form a meaningful whole.


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Those with stroke were excluded if they had apraxia, as measured by the Florida Apraxia Screen.
AD is a chronic progressive disease characterized by memory loss and deficits in one or more of the following cognitive domains: aphasia (language disturbance), agnosia (failure to recognize people or objects in presence of intact sensory function), apraxia (inability to perform motor acts in presence of intact motor system), or executive function (plan, organize, sequence actions, or form abstractions).
Difficult ideas are illustrated by vivid instances--the true nature of perception revealed by its breakdown in cases of apraxia or aphasia, for example, or identity's ultimate reliance on a cosmic frame of reference demonstrated simply in the traditional orientation of a church.
 
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