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Leezenbaum, Nina B.; Campbell, Susan B.; Butler, Derrecka; Iverson, Jana M. – Autism: The International Journal of Research and Practice, 2014
This study investigates mothers' responses to infant communication among infants at heightened genetic risk (high risk) of autism spectrum disorder compared to infants with no such risk (low risk). A total of 26 infants, 12 of whom had an older sibling with autism spectrum disorder, were observed during naturalistic in-home interaction and…
Descriptors: Mothers, Infants, Autism, Pervasive Developmental Disorders
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Parlade, Meaghan V.; Iverson, Jana M. – Developmental Psychology, 2011
From a dynamic systems perspective, transition points in development are times of increased instability, during which behavioral patterns are susceptible to temporary decoupling. This study investigated the impact of the vocabulary spurt on existing patterns of communicative coordination. Eighteen typically developing infants were videotaped at…
Descriptors: Systems Approach, Infants, Vocabulary Development, Developmental Stages