- A disorder of voluntary movement consisting of impairment of the performance of skilled or purposeful movements, notwithstanding the preservation of comprehension, muscular power, sensibility, and coordination in general; results from acquired cerebral disease.
- A psychomotor defect in which the proper use of an object cannot be carried out although the object can be named and its uses described.
[G. a- priv. + prattō, to do]
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