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Unformatted text preview: 2007-11-06•Read Chapter 6 pages 204-249Perception: Creating Our WorldOrganization from 2 Directions•Bottom up processing:oAnalysis of individual stimulus elementsoRecombines them into unified whole•Top Down Processing:oUse existing knowledge, concepts, ideas, expectations•In reality, it is a combination of both processing.Role of Attention•Involves 2 processesoFocus on certain stimulioFiltering out others•Demonstrated in shadowing experimentsoListen to 2 messages delivered through earphones (on through each earphone)oFocus on one; ignore the otheroCan recall info from attended one; not from unattended oneEnvironmental (Bottom-up) and Personal (Top-down) Factors•Both play a role in attention, ex. Hansen and Hansen, 1988oStimulus CharacteristicsIntensity, novelty, movement, contrast, repetitionoInternal FactorsMotives, interests, threats to well beingPerceptual Organization•Gestalt PrinciplesoGestalt: Form emerges from pattern, shapeWholes we perceive are more than sum of their partsSeeing either brown and white spots, or horses in the painting by Bev Doolittle•How is it that we can perceive horses in a painting of spots?•Gestalt Theorists – Perception is governed by laws that group thingsoFigure-GroundSimplest form of organizationImpose a foreground and a backgroundoFigureDistinct shape...
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This note was uploaded on 04/04/2009 for the course PSYCH 1000 taught by Professor Atkinson during the Spring '09 term at UWO.
- Spring '09