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agnosia

noun
ag·​no·​sia | \ ag-ˈnō-zhə How to pronounce agnosia (audio) , -shə\

Definition of agnosia

: loss or diminution of the ability to recognize familiar objects or stimuli usually as a result of brain damage

First Known Use of agnosia

1883, in the meaning defined above

History and Etymology for agnosia

borrowed from German Agnosie, borrowed from Greek agnōsía "lack of knowledge, ignorance," from a- a- entry 2 + -gnōsia (from gnôsis "knowledge" + -ia -ia entry 1) — more at gnosis

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More Definitions for agnosia

agnosia

noun
ag·​no·​sia | \ ag-ˈnō-zhə How to pronounce agnosia (audio) , -shə How to pronounce agnosia (audio) \

Medical Definition of agnosia

: loss or diminution of the ability to recognize familiar objects or stimuli usually as a result of brain damage — see visual agnosia

More from Merriam-Webster on agnosia

Britannica.com: Encyclopedia article about agnosia

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