PSY 280 Lecture Notes - Fusiform Gyrus, Fusiform Face Area, Capgras Delusion
Document Summary
Prosopagnosia: people cannot perceive faces but can perceive other objects, occurs when there is damage to fusiform gyrus, have reported perceiving faces as individual parts instead of holistically. Neuroscience: fusiform gyrus (fusiform face area; lower temporal cortex), more active when individuals are show images of faces, responds more quickly to upright than inverted faces, more activity for objects in people"s areas of expertise. Capgras delusion: people recognize faces but no emotion of familiarity, experience is like family members replaced by doubles, occurs due to psychiatric illness or structural brain damage. Listeners segment auditory streams, even though clear pauses between words are present less than half the time. Coarticulation examples: hand bag hambag, want to wanna, we asked him wiastam, you and me yuaenmi. Context effects: active listening context can be used to determine speech sound (top down) , knowledge can help us perceive ambiguous words (e. g. , choppy zoom conversation). Phonemic restoration: class demonstration (warren & warren, 1970)
