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1. loss or impairment of the power to understand speech.
2. impairment of any one of the perceptive faculties, due to a central lesion.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
acatamathesiaA little-used term in the working medical parlance for psychogenic (global) loss of comprehension or perception.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
acatamathesiaImpairment of understanding or perception, as occurs in sensory APHASIA.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005