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agnosia

American  
[ag-noh-zhuh, -zhee-uh, -zee-uh] / ægˈnoʊ ʒə, -ʒi ə, -zi ə /

noun

Psychiatry, Psychology, Neurology.
  1. partial or total inability to recognize objects by use of the senses.


agnosia British  
/ æɡˈnəʊzɪə /

noun

  1. psychol loss or diminution of the power to recognize familiar objects or people, usually as a result of brain damage

"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

Other Word Forms

Derived Forms

Etymology

Origin of agnosia

1895–1900; < Greek agnōsía ignorance, equivalent to ágnōt ( os ) unknown ( see agnostic) + -ia -y 3

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Sacks put this query to people with autism, migraines, Tourette’s syndrome, agnosia.

From Scientific American • Nov. 7, 2020

The patient suffered from visual agnosia, a defect of perception and recognition, but was otherwise fine.

From The Guardian • Dec. 10, 2010

He also has severe visual agnosia, which means his brain can't process what is in front of his eyes, so now he can't even see the pictures.

From The Guardian • Mar. 27, 2010

The doctors finally diagnosed the case as visual agnosia, an extremely rare disorder whose victims cannot recall images to compare with what they currently see.

From Time Magazine Archive

The Lost Faces tells what it is like to go through life with visual agnosia.

From Time Magazine Archive

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