Inferior view of the brain, depicting the cerebral lobes. Lesions on the occipito-temporal lobes are correlated with associative agnosia.
Associative visual agnosia is a form of visual agnosia. It is an impairment in recognition or assigning meaning to a stimulus that is accurately perceived and not associated with a generalized deficit in intelligence, memory, language or attention.[1] The disorder appears to be very uncommon in a "pure" or uncomplicated form and is usually accompanied by other complex neuropsychological problems due to the nature of the etiology.[1] Affected individuals can accurately distinguish the object, as demonstrated by the ability to draw a picture of it or categorize accurately, yet they are unable to identify the object, its features or its functions.
^ abBauer, Russell M. (2006). "The Agnosias". In Snyder, P.J. (ed.). Clinical Neuropsychology: A Pocket Handbook for Assessment (2nd Ed). P.D. Nussbaum, & D.L. Robins. American Psychological Association. pp. 508–533. ISBN 978-1-59147-283-4. OCLC 634761913.
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brain.[2] There are two types of visualagnosia: apperceptive agnosia and associativeagnosia. Recognition of visual objects occurs at two primary levels...
Associativevisualagnosia is a form of visualagnosia. It is an impairment in recognition or assigning meaning to a stimulus that is accurately perceived...
contrast, individuals with associativevisualagnosia experience difficulty when asked to name objects. Associativeagnosia is associated with damage to both...
Apperceptive agnosia is a neurological disorder characterized by failures in recognition due to a failure of perception. In contrast, associativeagnosia is a...
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[citation needed] Eidetic memory can still occur in those with visualagnosia, who, unlike visual thinkers, may be limited in the use of visualization skills...
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are completely distinct. A similar, but distinct, deficit called color agnosia exists in which a person has intact color perception (as measured by a...
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view that visual imagery and visual perception rely on the same representational system. C.K. was a 33-year old man with visual object agnosia acquired...
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can cause visual hallucinations. Lesions in the parietal-temporal-occipital association area are associated with color agnosia, movement agnosia, and agraphia...
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