Lecture 7 - knowledge& expectations Some top-down...

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Sensation And Perception (Today's lecture: Vision)
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The Brain’s Job Take a flattened, upside-down, distorted, partially obscured image and produce a 3-D, upright, correct, complete, representation of the distal stimulus.
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Some bottom-up principles in perception (biases for how to process the actual stimulus )
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Gestalt Principles Figure-Ground Similarity Proximity Closure Illusory Contours
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Perceptual Constancies
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Size Constancy
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Shape Constancy
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Color and Brightness Constancy
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Beau Lotto’s TED.com talk
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Some top-down principles guiding perception (using
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Unformatted text preview: knowledge & expectations) Some top-down principles in perception: Cleaning up percetpual information Settling on an interpretation:- for recognizing/making inferences about objects -for processing language-for interpreting situations The Upshot We actively construct our percepts. Perception is guided by well-evolved predispositions for interpreting, organizing, and supplementing what comes in through our senses. Information comes both from the world (bottom-up) and from our own knowledge and expectations (top-down)....
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This note was uploaded on 10/07/2010 for the course PSY 103-02 taught by Professor Nancyfranklin during the Fall '09 term at SUNY Stony Brook.

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Lecture 7 - knowledge& expectations Some top-down...

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