agnosia

[ ag-noh-zhuh, -zhee-uh, -zee-uh ]

/ ægˈnoʊ ʒə, -ʒi ə, -zi ə /

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noun Psychiatry, Psychology, Neurology.

partial or total inability to recognize objects by use of the senses.

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Formerly agnostic aphasia .

Origin of agnosia

1895–1900; <Greek agnōsía ignorance, equivalent to ágnōt(os) unknown (see agnostic) + -ia-y³

Words nearby agnosia

agnogenic, agnoiology, agnolotti, agnomen, Agnon, agnosia, agnostic, agnosticism, Agnus Dei, ago, agog

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use agnosia in a sentence

Patients with agnosia who have damage to object-recognition parts of the visual cortex can’t name an object they see, but can grab it.
Do You Want AI to Be Conscious? - Issue 102: Hidden Truths|Ryota Kanai|June 9, 2021|Nautilus
One category of agnosia is for animate versus inanimate objects.
Are We Wired to Be Outside? - Issue 92: Frontiers|Grigori Guitchounts|November 11, 2020|Nautilus

British Dictionary definitions for agnosia

agnosia

/ (æɡˈnəʊzɪə) /

noun

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

Derived forms of agnosia

agnosic, adjective

Word Origin for agnosia

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

Medical definitions for agnosia

agnosia

[ ăg-nō′zhə ]

Loss of the ability to interpret sensory stimuli, such as sounds or images.