Agnosia is a neurological disorder characterized by an inability to identify an object despite both having knowledge of that object and functional sensory input. For example, a patient with posterior cortical atrophy who characteristically has visual agnosia, will be unable to identify a hammer, even though they are able to see it and are able to describe its function.
Agnosia in literature
- The Man who Mistook His Wife for a Hat 1 by the Anglo-American neurologist Oliver Sacks (1933-2015) 2
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