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Lecture 5

Lecture 5 PSYC 107.docx

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Department
Psychology
Course
PSYC 107
Professor
Lisa Geraci
Semester
Spring

Description
Keith Owen 1/30/14 PSYC 107 Sensation and Perception What is Perception?  Perception defined: o The processes that organize information in the sensory image and interpret it as  having been produced by properties of objects or events in the external, three­ dimensional world.  We recognize the perception as something outside of us.  Making sense of incoming information, knowing it is something from the  world and not made up in the head. o Is best understood by a three stage process:  Sensation  Perceptual organization • Turning pixels into a person or object.  Identification and recognition • Recognizing something that you have seen before.  Perceptual Organization o The processes that put sensory information together to give the perception of a  coherent scene over the whole visual field.  Distal Stimulus o The physical object in the world.  Proximal Stimulus o The optical image on the retina. First, we need to pay attention  Goal­directed selection o Trying to focus on something to perceive.  Stimulus­driven capture o Grabs your attention. Gestalt Principles of Perceptual Organization  Gestalt Psychology o A school of psychology that maintains that psychological phenomena can be  understood only when viewed as org
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