Perceptual Development in Early Infancy: Problems and Issues

6-month-old infants ability adults Aslin attention auditory localization bilabial bimodal Bower Burnham Caron categorical perception Child Development Child Psychology cognitive color contrast sensitivity cube cues demonstrated detection Developmental Psychology direction discrimination dishabituation distance early infancy effect empiricism evidence Experimental Child Psychology familiar frontoparallel function gestures Gibson habituation human infants identification imitation infant behavior infants perceive invariant investigated involved Journal of Experimental linguistic experience Locke's manipulation McKenzie Meltzoff and Moore ment movement moving objects neonates newborn novel object concept object features object perception observed orientation pattern perceptual constancy phonemic Pisoni possible presented procedure processes psychoacoustic rectangle responses retinal rotation Ruff Salapatek sensory sensory deprivation shape similar sounds space perception spatial specific speech perception stationary stimulus stimulus objects stop consonants studies subjects suggest target test trials theory tion tongue-protrusion transformations trapezoid visual and haptic visual fixation visual perception Werker young infants