Class Notes September 28

Class Notes September 28 - Perceptual Constancies Some...

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September 28, 2010 Vision The Brain’s Job o Take a falttened, upside-down, distorted partially obscured image and produce a 3- dD, upright, correct, complete, representation of the distal stimulus. Some bottom-up principles in perception (biases for how to process the actual stimulus) Gestalt Principles of Organization o Figure-Ground o Similarity o Proximity o Closure Illusory Contours o Contours are perceived in a figure when no contours are physically present.
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Unformatted text preview: Perceptual Constancies Some top-down principles guiding perception (using knowledge & expectations): o Cleaning up perceptual information o We actively construct out percepts o Perception is guided by well-evolved predispositions for interpreting, organizing, and supplementing what comes in through our senses. o Information comes both from the world and from our own knowledge and expectations....
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