PSYC 310 Lecture Notes - Lecture 9: Color Vision, Depth Perception, Object Permanence
9 Apr 2018
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Average percent preference was 71. 8% (versus chance level of 50%) Shows that infants seek consistency across sensory modalities on this paradigm. Let"s begin with vision: visual acuity estimated to be 20/400 to 20/600 at birth (normal adults have 20/20 vision) 3 months (thickening and thinning of eye, to focus on different things) 6 months (eyes move closer together as things come closer to you: by contrast, audition is well developed even before birth, at approximately 6 months" gestational age. Objects and occlusion (recall chick experiment: newly hatched chick and whether they had occlusion and a full object behind another. Now you"re piaget, not a nativist, what experience could be relevant for this: you see real world experiences that could be useful to learn this, people walk in front of each other, peek-a-boo. Clearly this shows there is development between 0-2 months of age.
