Cognitive emotion regulation withstands the stress test: An fMRI study on the effect of acute stress on distraction and reappraisal

心理学 分散注意力 认知 压力(语言学) 表达抑制 情绪调节 神经影像学 认知再评价 认知心理学 发展心理学 临床心理学 神经科学 语言学 哲学
作者
Magdalena Sandner,Peter Zeier,Giannis Lois,Michèle Wessa
出处
期刊:Neuropsychologia [Elsevier BV]
卷期号:157: 107876-107876 被引量:10
标识
DOI:10.1016/j.neuropsychologia.2021.107876
摘要

Cognitive emotion regulation is a key mechanism for the maintenance of mental health, but may fail, when individuals are exposed to acute stress. To date, it is not well understood whether and to what extent acute stress effects contribute to impairments in emotion regulation capacities as the sparse existing studies have yielded heterogeneous results, indicating that stress timing might be a crucial factor. In the present study, 81 healthy participants underwent either an acute stress task (ScanSTRESS-C; n = 40) or a control condition (n = 41) while lying in the MRI scanner. In the subsequent Cognitive Emotion Regulation Task (CERT), participants were confronted with neutral or negative pictures and instructed to either view them, or regulate their upcoming emotions using either distraction or reappraisal. Subjective ratings of affective state as well as functional brain imaging data served to indicate emotion regulation. The results showed a successful stress manipulation as indicated by group differences in subjective wellbeing, saliva cortisol concentrations, heart rate, and functional brain activity in regions implicated in stress processing. With respect to emotion regulation, CERT data revealed a significant regulation effect at the neural and behavioral level (less negative emotional ratings after reappraisal and distraction trials compared to view trials) in both groups. However, no significant group differences were observed, neither in BOLD responses to the CERT, nor in behavioral ratings. Contrary to previous studies, our study did not reveal further evidence of stress-related effects on emotion regulation, potentially being related to differences between studies in experimental setting, timing, and procedures. This study therefore underlines the need of future studies that disentangle the complex interplay of stress and emotion regulation and identify different factors influencing their bidirectional relationship.
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