PSY 1001 1st Edition Lecture 12 Outline of Last Lecture I How do we experience sensory input A Sensation B Perception C Transduction D Sensory Adaptation E Psychophysics II Vision A Sensory Organ Eye B Color Perception 1 Trichromatic Theory 2 Opponent Process Theory C Basic Visual Pathways Outline of Current Lecture I Vision A Problems with Vison B Perception 1 Bottom up Top down processing These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute 2 Perception Current Lecture I Vision A Problems with Vison 1 When we can t see a Blindness results in heightened touch reorganization of visual cortex b Blind sight above chance visual performance of cortically blind individuals with damage to area V1 c Visual agnosia object recognition deficit damage to higher visual cortical areas B Perception 1 Bottom up Top down processing a Perception depends on sensory data and beliefs expectations 2 Perceptual hypotheses a Perceptual set occur when our expectations influence our perceptions b Perceptual constancy allows us to perceive stimuli consistency across conditions i We don t see the size shape or color of an object changing despite the objective fact that they do c Gestalt principles rules that govern how we perceive objects as wholes within their overall context i Proximity ii Similarity iii Continuity iv Closure v Symmetry vi Figure ground d Motion perception i Motion blindness inability to perceive seamless motion e Depth i Monocular depth cues rely on one eye ii Binocular depth cues require both eyes
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