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Moore, M. Keith; Meltzoff, Andrew N. – Developmental Psychology, 2004
Fourteen-month-old infants saw an object hidden inside a container and were removed from the disappearance locale for 24 hr. Upon their return, they searched correctly for the hidden object, demonstrating object permanence and long-term memory. Control infants who saw no disappearance did not search. In Experiment 2, infants returned to see the…
Descriptors: Object Permanence, Long Term Memory, Infants, Infant Behavior

Rogers, S. J.; Puchalski, C. B. – Journal of Visual Impairment and Blindness, 1988
Development of object permanence skills was examined longitudinally in 20 visually impaired infants (ages 4-25 months). Order of skill acquisition and span of time required to master skills paralleled that of sighted infants, but the visually impaired subjects were 8-12 months older than sighted counterparts when similar skills were acquired.…
Descriptors: Blindness, Cognitive Development, Concept Formation, Developmental Stages