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Depth Perception

Depth Perception - Depth Perception-Monocular...

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Depth Perception - Monocular Cues -interposition -relative size -texture gradient (also demonstrates relative clarity) -relative Height -relative motion -linear perspective -Accomodation -The bending of the lens to focus on nearby objects (within about 4 feet) -sensations from muscles that bend the lens send messages to the brain -brain determines distance based on extent to which lens has to be bent - Binocular Cues - retinal disparity -brain compares disparity between two images provided by our two eyes -Images with greater disparity are generally closer - convergence -brain gets feedback about the degree to which your eyes have to turn inward (converge) to look at an object -the greater the convergence, the close the object Size Perception -actual size of the object -size constancy -distance of the object -size of retinal image Ponzo illusion -Monsters are the same size -Picture is only 2 dimensional and all images are equidistant from the retina retinal image is the same size
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