PSYC 2220 Lecture Notes - Prosopagnosia, Railways Act 1921, Extrastriate Cortex
3 Nov 2011
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Document Summary
Gestalt approach: phenomenology why do things look as they do, groups of stimuli acquire a pattern quality which is greater than the sum of their parts, figure/ground o. Vision information about: what, where, helps us interact (vision for action) with the environment by providing, uses prior knowledge to guide current perception. Information is built up through the visual processing stream: increasingly elaborated. Why edges: edges frequently correspond to the boundaries of objects; a map of edges is a good start to identifying objects, edges are invariant to lighting conditions. Common fate: elements that move in the same direction tend to. Synchrony: elements that change at the same speed tend to be group together grouped together: figure and ground. Perceptual committees tend to obey the laws of physics: accidental viewpoint: a viewing position that produces some regularity in the visual image that is not present in the world.
