PSY 457LEC Study Guide - Quiz Guide: Infant Visual Development, Visual Acuity, Sound Localization
Document Summary
Innate: mechanism & beginning stage (=constructivism, resilient content knowledge (=nativism) Testing for preferences (or perceptual biases: preferential looking. Testng for discrimination: habituation (high amplitude sucking, visual xation, headturn preference procedure) , conditioned headturn. Infant vision: newborns have poor visual acuity, nonetheless, they prefer certain patterns over others (fantz, 1963) Face-like patterns over other (complex) patterns (johnson et al. , 1991) They experience di culty perceiving object unity (slater et al. , 1996: depth perception by 6 mo (gibson & walk, 1960) Vision improves drastically in rst year of life: yet, in some cases, development involves the loss of the ability to discriminate ne detail, perceptual narrowing: the process in which environmental experience shapes perceptual abilities through enhancement and attuning. Vision long thought to be the primary sensory modality in humans. But at birth, the auditory system is well developed: newborns recognize their mother"s voice (decasper & fifer, 1980, but audition not yet not adult-like.
