1Perception:part 2Perception--OutlineI.PsychophysicsII.Perceptual OrganizationA. Gestalt PsychologyB. 3-D Form and Depth PerceptionC. Perceptual ConstanciesIII. Bottom-up and Top-down ProcessingBottom-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.StimulusCombine features to perceive patternsDetect FeaturesBottom-up ProcessingBottom-up and Top-down processing•Bottom-up Processes: Begin with local stimulus features & bring them
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