Prosodic Patterns in Interaction of Low-Risk and at-Risk-of-Autism Spectrum Disorders Infants and Their Mothers at 12 and 18 Months

Quigley, Jean, McNally, Sinéad and Lawson, Sarah (2016) Prosodic Patterns in Interaction of Low-Risk and at-Risk-of-Autism Spectrum Disorders Infants and Their Mothers at 12 and 18 Months. Language Learning and Development. ISSN 1547-3341

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Abstract

Research has indicated differences in prosodic expression for infants-at-risk-of-autism spectrum disorders (ASD), and it has been proposed that caregiver speech to these infants may also be moderated prosodically. In typical development, the pitch range of maternal infant-directed speech (IDS) narrows and utterance intensity decreases with infant age, and similar patterns are evident in infant vocalizations. In this study, samples of English-speaking maternal and infant nonvegetative vocalizations produced during naturalistic interaction at ages 12 months and 18 months were analyzed to investigate this process in a group of infants-at-risk-of-ASD with their mothers and typically developing controls. Differences in the expression, developmental trajectory and synchrony of prosody were found for at-risk dyads compared with low-risk dyads. Possible explanations for these patterns and the implications for language development are explored.

Item Type:	Article
Subjects:	B Philosophy. Psychology. Religion > Psychology H Social Sciences > HQ The family. Marriage. Woman > Children > Child Development
Divisions:	School of Business > Staff Research and Publications
Depositing User:	Caoimhe Ní Mhaicín
Date Deposited:	27 Apr 2016 09:35
Last Modified:	27 Apr 2016 09:35
URI:	https://norma.ncirl.ie/id/eprint/2157

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