20-motion-detection

20-motion-detection - Psychology 3040/6014 VISUAL...

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Psychology 3040/6014 Spring, 2008 VISUAL PERCEPTION OF MOTION 1) Distinction between object motion and our motion 2) Two types of motion: a) General movement of “something” b) Specific motion of an identified or defined object 3) Notes: a) Perception of movement is a product of the nervous system b) Perception of movement involves more than just the retina c) Perception of movement involves an interplay of more than one sensory system d) Perception of movement requires heuristics, best-guesses, and inexact processes 1 of 5
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Psychology 3040/6014 Spring, 2008 4) Creating the perception of movement a) Real movement b) Apparent movement c) Induced movement d) Movement aftereffect 2 of 5
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Psychology 3040/6014 Spring, 2008 5) Detecting movement a) i) Complex and end-stopped cells ii) Detection circuit iii) Medial temporal (MT) cortex in dorsal (upward) path b) Corollary discharge theory i) Three types of signals accounted for (1) Motor signal (2) Corollary discharge signal (CDS)
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20-motion-detection - Psychology 3040/6014 VISUAL...

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