期刊
PSYCHOPHYSIOLOGY
卷 56, 期 9, 页码 -出版社
WILEY
DOI: 10.1111/psyp.13396
关键词
anticipation; electromyography; intolerance of uncertainty; skin conductance; trait anxiety; uncertainty
资金
- NARSAD Young Investigator Grant from the Brain & Behavior Research Foundation [27567]
- ESRC New Investigator Grant [ES/R01145/1]
- British Academy Small Research Grant [SG163121]
- ESRC [ES/R011451/1] Funding Source: UKRI
Heightened physiological responses to uncertainty are a common hallmark of anxiety disorders. Many separate studies have examined the relationship between individual differences in intolerance of uncertainty (IU) and physiological responses to uncertainty during different contexts. Despite this, there is a scarcity of research examining the extent to which individual differences in IU are related to shared or discrete patterns of anticipatory physiological responding across different contexts. Anticipatory physiological responses to uncertainty were assessed in three different contexts (associative threat learning and extinction, threat uncertainty, decision-making) within the same sample (n = 45). During these tasks, behavioral responses (i.e., reaction times, choices), skin conductance, and corrugator supercilli activity were recorded. In addition, self-reported IU and trait anxiety were measured. IU was related to both skin conductance and corrugator supercilii activity for the associative threat learning and extinction context and decision-making context. However, trait anxiety was related to corrugator supercilii activity during the threat uncertainty context. Ultimately, this research helps us to further tease apart the role of IU on different aspects of anticipation (i.e., valence and arousal) across contexts, which will be relevant for future IU-related models of psychopathology.
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