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agnosia

[ag-noh-zhuh, -zhee-uh, -zee-uh] /ægˈnoʊ ʒə, -ʒi ə, -zi ə/
noun, Psychiatry, Psycol., Neurology
1.
partial or total inability to recognize objects by use of the senses.
Formerly agnostic aphasia.
Origin
1895-1900
1895-1900; < Greek agnōsía ignorance, equivalent to ágnōt(os) unknown (see agnostic) + -ia -y3
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for agnosia

agnosia

/æɡˈnəʊzɪə/
noun
1.
(psychol) loss or diminution of the power to recognize familiar objects or people, usually as a result of brain damage
Derived Forms
agnosic, adjective
Word Origin
C20: New Latin, from Greek agnōsia, from a- without + gnōsis knowledge
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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agnosia in Medicine

agnosia ag·no·sia (āg-nō'zhə)
n.
Loss of the ability to interpret sensory stimuli, such as sounds or images.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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