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Orlansky, Michael D.; Bonvillian, John D. – Merrill-Palmer Quarterly, 1985
Reports an 18-month longitudinal study of sign language acquisition in very young children of deaf parents. Results indicate that some revision of views on cognitive prerequisites for language is necessary. Implications for nonspeaking populations and for developmental theory are discussed. Reviews briefly sign language training programs for…
Descriptors: American Sign Language, Cognitive Development, Deafness, Infants
Rogers, Sally J., Ed.; Williams, Justin H. G., Ed. – Guilford Publications, 2006
From earliest infancy, a typically developing child imitates or mirrors the facial expressions, postures and gestures, and emotional behavior of others. Where does this capacity come from, and what function does it serve? What happens when imitation is impaired? Synthesizing cutting-edge research emerging from a range of disciplines, this…
Descriptors: Identification (Psychology), Infants, Communication Problems, Affective Behavior
Baird, Samera Major; Folsom, Jacqueline – Diagnostique, 1993
Evaluation of the Kent Scoring Adaptation, which determines developmental ages in several domains based on an infant's performance on the Bayley Scales of Infant Development, with 27 at-risk infants supported the concurrent validity of the cognitive, language, and, to a degree, social domains of the Kent procedure but not the fine and gross motor…
Descriptors: At Risk Persons, Child Development, Cognitive Development, Concurrent Validity