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Peer reviewedGerhardt, Julie B. – Journal of Visual Impairment and Blindness, 1982
Two aspects of the cognitive development of a 14- to 18-month-old blind child are reported: the development of procedures for the intentional control of objects and the development of certain classificatory skills. (Author)
Descriptors: Blindness, Classification, Cognitive Development, Infants
Peer reviewedRoss, S.; Tobin, M. J. – Journal of Visual Impairment & Blindness, 1997
The literature on the effects of congenital blindness on infants' development of motor functions and concepts of object permanence is reviewed. The article questions the idea that infants must first develop an object concept before sound clues alone will elicit reaching. Possible interventions to redress the effects of congenital blindness on…
Descriptors: Auditory Perception, Blindness, Cognitive Development, Concept Formation
Peer reviewedRogers, 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
