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Intolerance of Uncertainty as a Framework for Understanding Anxiety in Children and Adolescents with Autism Spectrum Disorders

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Abstract

Anxiety is a problem for many children diagnosed with Autism Spectrum Disorders (ASDs). There is a paucity of models of the cognitive processes underlying this. Intolerance of Uncertainty (IU) has utility in explaining anxiety in neurotypical populations but has only recently received attention in ASD. We modelled the relationship between anxiety and IU in ASD and a typically developing comparison group, using parent and child self-report measures. Results confirmed significant relationships between IU and anxiety in children with ASD which appears to function similarly in children with and without ASD. Results were consistent with a causal model suggesting that IU mediates the relationship between ASD and anxiety. The findings confirm IU as a relevant construct in ASD.

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Acknowledgments

This manuscript was authored by Dr Jacqui Rodgers, Professor Mark Freeston, Institute of Neuroscience, Faculty of Medical Sciences, Newcastle University, UK, Dr Christina Boulter, School of Psychology, Faculty of Medical Sciences, Newcastle University, UK, and Dr Mikle South Neuroscience Center, Brigham Young University, Provo, Utah, USA. The authors are grateful to all individuals with ASD and their families who participated in this research and to Paul Chamberlain and Elaine Huntsman, Sarah Wigham and Laura Gray for their assistance in data collection. The data presented here was adapted from research presented by Dr Boulter as part of her doctoral thesis for the qualification of Doctor of Clinical Psychology. Additionally this work was generously supported by a Visiting Fellowship provided to MS from Newcastle University. JR and MF were supported by an NIHR, Flexibility and Sustainability award from Northumberland, Tyne and Wear NHS Trust.

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Boulter, C., Freeston, M., South, M. et al. Intolerance of Uncertainty as a Framework for Understanding Anxiety in Children and Adolescents with Autism Spectrum Disorders. J Autism Dev Disord 44, 1391–1402 (2014). https://doi.org/10.1007/s10803-013-2001-x

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