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Dev Psychol. 2013 Oct;49(10):1931-42. doi: 10.1037/a0031061. Epub 2012 Dec 10.

Spontaneous initiation of communication in infants at low and heightened risk for autism spectrum disorders.

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1
Department of Psychology.

Abstract

Communication spontaneously initiated by infants at heightened risk (HR; n = 15) for autism spectrum disorders (ASD) is compared with that in low-risk (LR; n = 15) infants at 13 and 18 months of age. Infants were observed longitudinally during naturalistic in-home interaction and semistructured play with caregivers. At both ages, HR infants spontaneously produced Words, Communicative Non-Word Vocalizations, show and point Gestures, and Gesture + Non-Word Vocalization combinations at lower rates than LR peers. This difference also held for Gesture + Word combinations at 18 but not 13 months. At 36 months, all HR children were evaluated for ASD, and 3 received a diagnosis of autistic disorder. At both 13 and 18 months, these 3 children had been at or near the bottom of the distribution on all spontaneous communication variables.

PMID:
23231694
PMCID:
PMC3732808
DOI:
10.1037/a0031061
[Indexed for MEDLINE]
Free PMC Article
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