Short report: Relationship between restricted and repetitive behaviours in children with autism spectrum disorder and their parents

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Abstract

Background: Restricted and repetitive behaviours (RRBs) constitute a core symptom domain of autism spectrum disorder (ASD). However, the nature of RRBs in the context of the Broader Autism Phenotype (BAP) is not well understood. In particular, the relationship between RRBs in ASD probands and their parents remains largely unexplored. The current study explored the link between parental RRBs, measured via Interest in Patterns and Resistance to Changes subscales of the Autism Quotient and their children's RRBs, measured via Autism Diagnostic Observation Schedule RRB standardized domain score. Findings: Having both parents within the top 20 % of their RRB scores was associated with an increase of RRB scores for their children; however, no parent-of-origin effects were identified. Although the trend was observed for both Interest in Patterns and Resistance to Changes subscale, it was only statistically significant for Interest in Patterns. Conclusions: This paper provides significant contribution to our understanding of association between RRBs in parents and their children with ASD. Future work should also address the BAP in distinct genetic subtypes (whole chromosome aneuploidies, single gene mutations, copy number variations) of neurodevelopmental and neuropsychiatric disorders that involve RRBs.

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APA

Uljarević, M., Evans, D. W., Alvares, G. A., & Whitehouse, A. J. O. (2016). Short report: Relationship between restricted and repetitive behaviours in children with autism spectrum disorder and their parents. Molecular Autism, 7(1). https://doi.org/10.1186/s13229-016-0091-y

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