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| Johnson, Mark H. | 2 |
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Peer reviewedGilmore, Rick O.; Johnson, Mark H. – Cognition, 1997
Investigated the nature of spatial representations underlying simple visually guided actions with 3- and 7-month-old infants. Saccades in older infants were executed within body-centered spatial coordinates that account for intervening eye movements, whereas younger infants responded according to the target's retinocentric locations without…
Descriptors: Early Experience, Infants, Perceptual Development, Psychomotor Skills
Peer reviewedJohnson, Mark H.; Tucker, Leslie A. – Journal of Experimental Child Psychology, 1996
Discusses changes occurring in two-, four-, and six-month-old infants' visual attention span, through a series of experiments examining their ability to orient to peripheral visual stimuli. The results obtained were consistent with the hypothesis that infants get faster with age in shifting attention to a spatial location. (AA)
Descriptors: Age Differences, Attention Control, Attention Span, Child Development
