PSYCH 2E03 Lecture Notes - Fusiform Face Area, Inferior Temporal Gyrus, Face Perception
12 Jun 2013
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Document Summary
Size of response of a neuron in the monkey"s it cortex that responds to face stimuli but not to nonface stimuli. Modularity: structures for faces, open spaces, and bodies. Evidence from humans using fmri while viewing a movie (the good the bad and the ugly) Fusiform face area (ffa) responds best to faces. Collateral sulcus responds best to open spaces. Extrastriate body (eba) responds vest to pictures of full bodies and body parts and not faces. Meta-analysis of 92 human patients with achromatospia and prosopagnosia fmri and ct data significant overlap in lesion sites in area v4 close to fusiform face area. Ffa is activated equally well by faces as well as complex stimuli; greebles in greeble experts. Is the ffa specialised for faces, individuation, or expert individuation is there a face area, 3 possibilities: face specificity individuation to homogenous class (objects with symmetry)
