PSY270H1 Lecture Notes - Fusiform Face Area, Parahippocampal Gyrus, Occipital Lobe

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12 Sep 2012
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PSY270H1 Full Course Notes
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PSY270H1 Full Course Notes
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Gross anatomy of the eye: cone cells: photoreceptor cells in retina of the eye, responsible for color vision. + densely packed in fovea rod cells: photoreceptor cells in retina of the eye that can function in less intense light. + concentrated in outer edges of retina, used in peripheral vision. + more sensitive than cone cells, they"re responsible for night vision. Retinotopic organization in v1: retinotopy: spatial organization of the neuronal responses to visual stimuli. Process lines, curves, make different aspects of shapes and objects in occipital lobe, can process different attributes (ie: color) Cortical processing of color: area in brain called v4 allows us to appreciate the differences of color sensation and perception of color cones pick up the environment of color. + neural signals sent to occipital lobe, to v4, and to cones and decode what the colors mean. Cerebral achromatopsia: damage to extrastriate cortex including v4. + see no color;; black and white world.

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