Your guess is as good as mine: a registered report assessing physiological markers of fear and anxiety to the unknown in individuals with varying levels of intolerance of uncertainty
Your guess is as good as mine: a registered report assessing physiological markers of fear and anxiety to the unknown in individuals with varying levels of intolerance of uncertainty
Individuals who score high in Intolerance of Uncertainty (IU) have a tendency to find uncertainty and the unknown aversive. However, there is a dearth of literature on the extent to which the known vs. the unknown during threatening contexts induce fear and anxiety in individuals with high IU. In the following registered report we attempted to address this question by manipulating the known and unknown in the threat of predictable and unpredictable aversive events task. Throughout the task, we measured a variety of self-report (ratings of valence and arousal) and physiological indices (skin conductance, pupil dilation, orbicularis oculi, corrugator supercilii). We collected data from 93 participants. Higher IU, relative to lower IU was associated with: (1) less discriminatory orbicularis oculi activity between cue and interstimulus interval periods across conditions, and (2) larger corrugator supercilii activity to the known predictable shock condition and smaller corrugator supercilii activity to the known unpredictable shock condition, compared to the other conditions. These findings provide evidence that IU-related biases manifest differently depending on the physiological marker of fear and anxiety and the type of known-unknown threat i.e. orbicularis oculi activity was related to generalisation across conditions, whilse corrugator supercilii activity reflected distress/relief during conditions with known threat. Ultimately, this research will inform future models of IU in relation to anxiety and stress disorders
93-104
Morriss, Jayne
a6005806-07cf-4283-8766-900003a7306f
Biagi, Nicolò
62aeed32-3042-4176-a13f-937d70fcb0b7
Dodd, Helen
db72e2f5-f249-4b4e-a54b-addc96f7bc47
1 October 2020
Morriss, Jayne
a6005806-07cf-4283-8766-900003a7306f
Biagi, Nicolò
62aeed32-3042-4176-a13f-937d70fcb0b7
Dodd, Helen
db72e2f5-f249-4b4e-a54b-addc96f7bc47
Morriss, Jayne, Biagi, Nicolò and Dodd, Helen
(2020)
Your guess is as good as mine: a registered report assessing physiological markers of fear and anxiety to the unknown in individuals with varying levels of intolerance of uncertainty.
International Journal of Psychophysiology, 156 (10), .
(doi:10.1016/j.ijpsycho.2020.07.009).
Abstract
Individuals who score high in Intolerance of Uncertainty (IU) have a tendency to find uncertainty and the unknown aversive. However, there is a dearth of literature on the extent to which the known vs. the unknown during threatening contexts induce fear and anxiety in individuals with high IU. In the following registered report we attempted to address this question by manipulating the known and unknown in the threat of predictable and unpredictable aversive events task. Throughout the task, we measured a variety of self-report (ratings of valence and arousal) and physiological indices (skin conductance, pupil dilation, orbicularis oculi, corrugator supercilii). We collected data from 93 participants. Higher IU, relative to lower IU was associated with: (1) less discriminatory orbicularis oculi activity between cue and interstimulus interval periods across conditions, and (2) larger corrugator supercilii activity to the known predictable shock condition and smaller corrugator supercilii activity to the known unpredictable shock condition, compared to the other conditions. These findings provide evidence that IU-related biases manifest differently depending on the physiological marker of fear and anxiety and the type of known-unknown threat i.e. orbicularis oculi activity was related to generalisation across conditions, whilse corrugator supercilii activity reflected distress/relief during conditions with known threat. Ultimately, this research will inform future models of IU in relation to anxiety and stress disorders
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Published date: 1 October 2020
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Local EPrints ID: 472535
URI: http://eprints.soton.ac.uk/id/eprint/472535
ISSN: 0167-8760
PURE UUID: d211c64c-9453-4f4e-aadb-cad68f60611f
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Date deposited: 07 Dec 2022 18:03
Last modified: 17 Mar 2024 04:14
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Author:
Jayne Morriss
Author:
Nicolò Biagi
Author:
Helen Dodd
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