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| Cognitive Processes | 1 |
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| Duckman, Robert | 1 |
| Tulloch, Deborah | 1 |
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Download full textDuckman, Robert; Tulloch, Deborah – 1984
Relationships between infant visual skills and the development of object permanence and expressive language skills were examined with 31 infants in three groups: visually typical, visually atypical, and Down Syndrome. Measures used to evaluate visual status were: forced preferential looking, optokinetic nystagmus, and behavioral. Object permanence…
Descriptors: Cognitive Processes, Concept Formation, Downs Syndrome, Expressive Language
