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Peer reviewedHaith, Marshall M.; Goodman, Gail S. – Child Development, 1982
Infrared television recordings were made of newborns' visual activity under monocular and binocular viewing conditions. Out-of-control eye movements were substantially more frequent in the presence of uniform light fields than in darkness for both groups. A distinction between exogenous and endogenous control of eye movements in newborns is…
Descriptors: Eye Movements, Infant Behavior, Neonates, Visual Environment
Peer reviewedRichards, John E.; Rader, Nancy – Journal of Experimental Psychology: Human Perception and Performance, 1981
Two experiments tested the effects of crawling-onset age, amount of crawling experience, and testing age on avoidance of the deep side of a visual cliff apparatus by human infants. Crawling-onset age disciminated between infants because crawling during the tactile phase interferes with later visual control of locomotion. (Author/RD)
Descriptors: Depth Perception, Infant Behavior, Infants, Motor Development
