day18 - Psychology 2050 Perception 28 October 10 Day 18

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Psychology 2050 Perception 28 October 10 Day 18
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some Gestalt "laws" (principles) Prägnanz -- goodness of form, morphing, simplicity, laws of grouping 1. proximity  2. similarity:  color, size, orientation, shape camouflage 5. closure + many others a reductionistic retort
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“Now gentleman, we shall pass from peaceful matters, if we may say so, to matters of war, to Mr. Köhler. We are at  war with him." Ivan Pavlov,  1935, before the Soviet Academy of  Sciences 1904 Nobel Prize in Physiology and Medicine
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Historical Background Gestalt psychology = antireductionistic A reductionistic hierarchy         ------- psychology  (perception) biology chemistry physics         ------- mathematics example: HEADACHES
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Reductionism: Philosophical reductionism - it is in principle   possible to reduce psychological phenomena to biological ones Methodological reductionism - reductionism is the only route to understanding  (explanation) Gestaltists were methodological antireductionists
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Max Wertheimer, Kurt Koffka, Wolfgang Köhler,  Germany in the 1930s and then USA Prägnanz -- goodness of form "The whole is greater than the sum of its parts" Koffka "The whole is different than the sum of its parts " emergent properties Principles of Grouping  
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two views of perception bottom-up --> stimulus, retina, LGN, V1, etc. Behaviorists
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This note was uploaded on 01/27/2011 for the course PSYCH 2050 at Cornell University (Engineering School).

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day18 - Psychology 2050 Perception 28 October 10 Day 18

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