PSYCH 240 LEC 3 (SACKS READING)
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4 Terms
Patient Dr. P’s Deficits and Preserved Abilities
Deficits Abilities
Cannot recognize faces only recognized by prominent features
Left visual field
Preserved Abilities
Abstract thinking
Temporal Lobe
Memory and Recognition
Agnosia
Visual agnosia is the loss of the ability to recognize visual sensory information despite having intact basic visual acuity.
Could not integrate visual details into meaningful objects, scenes, or personal identities
He operated through abstract categorizations, rather than direct intuitive recognition or visual judgment
Relationship to Dorsal/Ventral Distinction
Ventral Distinction (“What”)
Processes object recognition, facial identification, color, and detailed visual features into concrete visual representations.
Dorsal Distinction (“How/Where”)
Handles spatial awareness, movement, and visual control of action
Visual field/spatial memory neglect on his left side but no impact for ability to interact physically with his environment
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