In those with visual agnosia, the parts of the brain responsible for processing that information don't work as they should, and this manifests in a discrepancy between what they see and what the ...

When patients fail to recognize what an object is, they are exhibiting visual agnosia caused by the loss of semantic knowledge for the object. Circumlocution and visual agnosia can be observed in ...

The following case report presents a patient exhibiting Gerstmann syndrome accompanied by toe agnosia. A 72 year old right handed woman had a focal lesion in the angular gyrus of the left hemisphere ...

a review article summarizing recent and past studies on music disorders (e.g., music agnosia, congenital amusia, poor-pitch singing, tone deafness, beat deafness, etc.) and their implications for the ...

Lillian Hung recalls the confusion that ensued when dining staff at her long-term-care home served mushroom soup to patients — only for many to return their bowls, still full and untouched. It ...

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Human actions require integration of past experiences, ongoing percepts and future concepts. To adapt behavior to reality, the brain must identify mental representations of current relevance.