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Variability in Verbal and Nonverbal Communication in Infants at Risk for Autism Spectrum Disorder: Predictors and Outcomes

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Abstract

Early communication impairment is among the most-reported first concerns in parents of young children with autism spectrum disorder (ASD). Using a parent-report questionnaire, we derived trajectory groups for early language and gesture acquisition in siblings at high risk for ASD and in children at low risk, during their first 2 years of life. Developmental skills at 6 months were associated with trajectory group membership representing growth in receptive language and gestures. Behavioral symptoms also predicted gesture development. All communication measures were strongly related to clinical and developmental outcomes. Trajectory groups further indicated slowest language/gesture acquisition in infants with later ASD diagnoses, in particular when associated with language delay. Overall, our results confirm considerable variability in communication development in high-risk infants.

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Acknowledgments

The authors would like to thank all the families who kindly volunteered to participate as well as all the person involved in data collection. This work was supported by the Canadian Institutes of Health Research [Grant Number MOP102655] and Autism Speaks Canada [Grant Number ASCanada-2010-01]. MF was further supported by an individual grant from the Swiss National Science Foundation (Grant Number P2GEP1_171686).

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SEB, LZ, and JB designed and planned the cohort study. MF and IMS conceived the current study. JB, SEB, LZ, IMS, WR, and CR participated in data collection. MF performed the analyses. ED provided support in the statistical analyses. ED, IMS, VA, and MF contributed to the interpretation of the results. MF took the lead in writing the manuscript, and IMS supervised the writing. All authors provided critical feedback and helped shape the research, analysis, and manuscript.

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Correspondence to M. Franchini.

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Franchini, M., Duku, E., Armstrong, V. et al. Variability in Verbal and Nonverbal Communication in Infants at Risk for Autism Spectrum Disorder: Predictors and Outcomes. J Autism Dev Disord 48, 3417–3431 (2018). https://doi.org/10.1007/s10803-018-3607-9

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  • DOI: https://doi.org/10.1007/s10803-018-3607-9

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