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Dual Cognitive and Biological Correlates of Anxiety in Autism Spectrum Disorders

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Abstract

Young people with autism spectrum disorder (ASD) have a high prevalence (~40 %) of anxiety disorders compared to their non-ASD peers. It is unclear whether cognitive and biological processes associated with anxiety in ASD are analogous to anxiety in typically developing (TD) populations. In this study 55 boys with ASD (34 with a co-occurring anxiety disorder, 21 without) and 28 male controls, aged 10–16 years and with a full-scale IQ ≥ 70, completed a series of clinical, cognitive (attention bias/interpretation bias) and biological measures (salivary cortisol/HR response to social stress) associated with anxiety in TD populations. Structural equation modelling was used to reveal that that both attentional biases and physiological responsiveness were significant, but unrelated, predictors of anxiety in ASD.

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Acknowledgments

We would like to thank all the children and their families who took part in this research.

Author Contributions

MH, PH & ES conceived of the study, participated in its design and coordination. The data was collected by MH and all authors were involved in the analysis and interpretation of the data, the drafting of the manuscript and its critical revision. All authors read and approved the final manuscript.

Funding

This project was funded by the NIHR Biomedical Research Centre (BRC) in Mental Health (Grant Code: PCCKASA) and the South London and Maudsley Charitable Funds. This article presents independent research funded by the National Institute for Health Research (NIHR). The views expressed are those of the authors and not necessarily those of the National Health Service, the NIHR or the Department of Health.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Hollocks, M.J., Pickles, A., Howlin, P. et al. Dual Cognitive and Biological Correlates of Anxiety in Autism Spectrum Disorders. J Autism Dev Disord 46, 3295–3307 (2016). https://doi.org/10.1007/s10803-016-2878-2

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