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



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



Developmental Psychology 49(10): 1931-1942



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.

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Accession: 055889720

Download citation: RISBibTeXText

PMID: 23231694

DOI: 10.1037/a0031061


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