9b-Perception-6 - together to form a perception of the...

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1 Perception: part 2 Perception--Outline I. Psychophysics II. Perceptual Organization A. Gestalt Psychology B. 3-D Form and Depth Perception C. Perceptual Constancies III. Bottom-up and Top-down Processing Bottom-up and Top-down processing 2 types of processing occurs in Perception and Recognition: Top-down and Bottom-up. • Recognition --involves comparison and matching of incoming info to info stored in memory. Bottom-up and Top-down processing Bottom-up Processes : Begin with local stimulus features & bring them together to form a perception of the whole. E.g., perception of a letter Top-down Processes : Processes that make use of knowledge to help perceive and recognize patterns. Stimulus Combine features to perceive patterns Detect Features Bottom-up Processing Bottom-up and Top-down processing Bottom-up Processes : Begin with local stimulus features & bring them
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