psych_0123

psych_0123 - 3rd Week, Wednesday, 01/23/08 Today's Lecture...

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rd Week, Wednesday, 01/23/08 Today’s Lecture Vision Hearing Smell Taste Cutaneous senses Rod and cones are special neurons. (cover from last lecture) The Feature-Detector Approach Brain analyzes complex visual stimuli by breaking them into components We have feature detectors, which are neurons response to simple features, such as angles, lines, edges, or boundaries They identified cells that fired only in the presence of vertical bars of lights, and other that only fired for horizontal bars Also, found cells that responded to movement in particular directions Feature detectors are just a first step in a series of complex processes that create perception Visual Allusions Simple visual illusions such as the old/young woman illusion suggest that we actively impose meaning/structure on images that we see Figure-Ground In organizing stimuli, we tend to automatically distinguish between a figure and a ground. The figure with more details stands out against the background, which…
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This note was uploaded on 04/02/2008 for the course PSYCH 10 taught by Professor Zaidel during the Winter '08 term at UCLA.

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psych_0123 - 3rd Week, Wednesday, 01/23/08 Today's Lecture...

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