Untitled 7

Untitled 7 - DepthPerception

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Depth Perception •  Depth and distance cues help us know where we are with respect to  objects and landmarks.   Infants are perceptive to some of these cues and quickly become sensitive to  all of them.  Depth Cues Used by Infants •  Optical expansion: The visual image increases as an object comes  toward us, causing the background to recede. (object gets closer… it shows  bigger. .)   Binocular disparity: The two eyes do not send the same signals to the brain  because there are different retinal images of the object in each eye.     Stereopsis: The process by which the visual cortex combines the  different neural signals from each eye to create depth perception. –  Stereopsis begins suddenly around 4 months and is completed within a  few weeks. Ð
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Untitled 7 - DepthPerception

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