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| Cognitive Development | 3 |
| Object Permanence | 3 |
| Perceptual Development | 3 |
| Perceptual Motor Learning | 3 |
| Concept Formation | 2 |
| Developmental Stages | 2 |
| Attention | 1 |
| Attention Span | 1 |
| Blindness | 1 |
| Child Language | 1 |
| Cognitive Processes | 1 |
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| Journal Articles | 2 |
| Reports - Descriptive | 1 |
| Reports - Research | 1 |
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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
Peer reviewedCorrigan, Roberta – Journal of Child Language, 1978
A longitudinal study of three children examined the relation between object permanence and language development. (Author/NCR)
Descriptors: Child Language, Cognitive Development, Language Acquisition, Language Research
Peer reviewedJohnson, Scott P.; Aslin, Richard N. – Developmental Psychology, 1995
Examined perception of object unity in partial occlusion in 72 infants. Recorded how long subjects looked at a display of complete and incomplete rods. In test and control conditions, infants looked longer at broken rods than at complete rods, suggesting that infants' cognitive, visual, or attentional skills may be insufficient to support…
Descriptors: Attention, Attention Span, Cognitive Development, Cognitive Processes
