Intolerance of uncertainty and physiological responses during instructed uncertain threat: a multi-lab investigation

Morriss, J., Bradford, D. E., Wake, S., Biagi, N. ORCID: https://orcid.org/0000-0002-7119-0767, Tanovic, E., Kaye, J. T. and Joormann, J. (2022) Intolerance of uncertainty and physiological responses during instructed uncertain threat: a multi-lab investigation. Biological Psychology, 167. 108223. ISSN 0301-0511 doi: 10.1016/j.biopsycho.2021.108223

Abstract/Summary

Individuals with high self-reported Intolerance of uncertainty (IU) tend to interpret uncertainty negatively. Recent research has been inconclusive on evidence of an association between IU and physiological responses during instructed uncertain threat. To address this gap, we conducted secondary analyses of IU and physiology data recorded during instructed uncertain threat tasks from two lab sites (Wisconsin-Madison; n = 128; Yale, n = 95). No IU-related effects were observed for orbicularis oculi activity (auditory startle-reflex). Higher IU was associated with: (1) greater corrugator supercilii activity to predictable and unpredictable threat of shock, compared to the safety from shock, and (2) poorer discriminatory skin conductance response between the unpredictable threat of shock, relative to the safety from shock. These findings suggest that IU-related biases may be captured differently depending on the physiological measure during instructed uncertain threat. Implications of these findings for neurobiological models of uncertainty and anticipation in anxiety are discussed.

Item Type	Article
URI	https://reading-clone.eprints-hosting.org/id/eprint/101164
Item Type	Article
Refereed	Yes
Divisions	Interdisciplinary Research Centres (IDRCs) > Centre for Integrative Neuroscience and Neurodynamics (CINN) Life Sciences > School of Psychology and Clinical Language Sciences > Department of Psychology Life Sciences > School of Psychology and Clinical Language Sciences > Psychopathology and Affective Neuroscience Henley Business School > Digitalisation, Marketing and Entrepreneurship
Publisher	Elsevier
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