期刊
INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY
卷 177, 期 -, 页码 171-178出版社
ELSEVIER
DOI: 10.1016/j.ijpsycho.2022.05.005
关键词
Acquisition; Extinction; Threat; Instructions; Intolerance of Uncertainty; Skin conductance; fMRI
资金
- German Research Society [DFG WE 5873/1-1]
Individuals with high scores in self-reported Intolerance of Uncertainty (IU) may struggle with uncertainty. Providing these individuals with contingency instructions about threat and safety contingencies may help them update threat associations to safety associations more effectively.
Individuals who score high in self-reported Intolerance of Uncertainty (IU) tend to find uncertainty aversive. Prior research has demonstrated that under uncertainty individuals with high IU display difficulties in updating learned threat associations to safety associations. Importantly, recent research has shown that providing contingency instructions about threat and safety contingencies (i.e. reducing uncertainty) to individuals with high IU promotes the updating of learned threat associations to safety associations. Here we aimed to conceptually replicate IU and contingency instruction-based effects by conducting a secondary analysis of self-reported IU, ratings, skin conductance, and functional magnetic resonance imaging (fMRI) data recorded during uninstructed/instructed blocks of threat acquisition and threat extinction training (n = 48). Generally, no significant associations were observed between self-reported IU and differential responding to learned threat and safety cues for any measure during uninstructed/instructed blocks of threat acquisition and threat extinction training. There was some tentative evidence that higher IU was associated with greater ratings of unpleasantness and arousal to the safety cue after the experiment and greater skin conductance response to the safety cue during extinction generally. Potential explanations for these null effects and directions for future research are discussed.
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