percep lec - VII. Perception • Sensation:- “raw”...

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Unformatted text preview: VII. Perception • Sensation:- “raw” material for perception- started at “entry level”, data driven “ bottom-up processing” • Perception: “top-down processing”- concept driven, use preexisting knowledge to interpret information. VII. PERCEPTION • Recall – we are bombarded with possible “energy” from environment... • A. To what sensations do we attend? • In order to perceive something, we must attend or pay attention to it (consciousness). Selective Attention : • Ability to focus awareness on a single stimulus to the exclusion of other stimuli. (We focus our awareness on only a limited aspect of all that we are capable of experiencing.) B. How do we organize stimuli? • We tend to organize stimuli into “wholes”. • Origin: Gestalt Psychology – “ Gestalt”: means “whole” or “form” in German. • Proposed nervous system is predisposed to respond to patterns in stimuli according to certain rules . • “Whole is different from its parts” • Example from video – wooden “triangle” C. FORM PERCEPTION • One of these basic rules... • 1. Figure vs. Ground – To see an image, need to be able to distinguish between figure and ground....
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This note was uploaded on 01/12/2011 for the course PSY270 d54633 taught by Professor Hall during the Spring '05 term at University of Phoenix.

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percep lec - VII. Perception • Sensation:- “raw”...

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