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agnosia

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ag⋅no⋅sia

[ag-noh-zhuh, -zhee-uh, -zee-uh]
–noun Psychiatry.
partial or total inability to recognize objects by use of the senses.

Origin:
1895–1900; < Gk agnōsía ignorance, equiv. to ágnōt(os) unknown (see agnostic ) + -ia -y 3
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ag·no·sia   (āg-nō'zhə)   
n.  Loss of the ability to interpret sensory stimuli, such as sounds or images.

[Greek agnōsiā, ignorance : a-, without; see a-1 + gnōsis, knowledge (from gignōskein, to know; see gnō- in Indo-European roots).]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: ag·no·sia
Pronunciation: ag-'nO-zh&, -sh&
Function: noun
: loss or diminution of the ability to recognize familiar objectsor stimuli usually as a result of brain damage —see VISUAL AGNOSIA
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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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