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Sparrow, W. A.; Shinkfield, Alison J.; Day, R. H.; Zerman, L. – American Journal on Mental Retardation, 1999
Three experiments examined whether limitations in perceptual ability by 24 individuals with mental retardation extended to learning perceptual categories based on elements of actions. Individuals with mental retardation had difficulty identifying some actions, slower decision times for activity identification, and could not identify the actor's…
Descriptors: Adults, Cognitive Processes, Mental Retardation, Pattern Recognition
Peer reviewedSchwartz, Marcelle; Day, R. H. – Monographs of the Society for Research in Child Development, 1979
The ability of young infants between the ages of 8 and 17 weeks to perceive outline shapes was investigated in nine experiments using an habituation paradigm. (JMB)
Descriptors: Cognitive Processes, Eye Fixations, Infants, Perceptual Development
Peer reviewedRolfe, Sharne A.; Day, R. H. – Child Development, 1981
Two experiments were conducted to investigate six-month-old infants' recognition memory for the shape of an object following unimodal (visual) and bimodal (visual and haptic) familiarization. Visual recognition memory was evident only when the conditions of familiarization and testing were identical. Two possible explanations are presented and…
Descriptors: Attention, Cognitive Processes, Foreign Countries, Infants
