Psychosocial versus physiological stress - Meta-analyses on deactivations and activations of the neural correlates of stress reactions

Lydia Kogler, Veronika I. Müller, Amy Chang, Simon B. Eickhoff, Peter T Fox, Ruben C. Gur, Birgit Derntl

Research output: Contribution to journalArticle

70 Scopus citations

Abstract

Stress is present in everyday life in various forms and situations. Two stressors frequently investigated are physiological and psychosocial stress. Besides similar subjective and hormonal responses, it has been suggested that they also share common neural substrates. The current study used activation-likelihood-estimation meta-analysis to test this assumption by integrating results of previous neuroimaging studies on stress processing. Reported results are cluster-level FWE corrected. The inferior frontal gyrus (IFG) and the anterior insula (AI) were the only regions that demonstrated overlapping activation for both stressors. Analysis of physiological stress showed consistent activation of cognitive and affective components of pain processing such as the insula, striatum, or the middle cingulate cortex. Contrarily, analysis across psychosocial stress revealed consistent activation of the right superior temporal gyrus and deactivation of the striatum. Notably, parts of the striatum appeared to be functionally specified: the dorsal striatum was activated in physiological stress, whereas the ventral striatum was deactivated in psychosocial stress. Additional functional connectivity and decoding analyses further characterized this functional heterogeneity and revealed higher associations of the dorsal striatum with motor regions and of the ventral striatum with reward processing. Based on our meta-analytic approach, activation of the IFG and the AI seems to indicate a global neural stress reaction. While physiological stress activates a motoric fight-or-flight reaction, during psychosocial stress attention is shifted towards emotion regulation and goal-directed behavior, and reward processing is reduced. Our results show the significance of differentiating physiological and psychosocial stress in neural engagement. Furthermore, the assessment of deactivations in addition to activations in stress research is highly recommended.

Original languageEnglish (US)
Pages (from-to)235-251
Number of pages17
JournalNeuroImage
Volume119
DOIs
StatePublished - Oct 1 2015

Keywords

  • Achievement stress
  • IFG
  • Insula
  • Pain
  • Social exclusion
  • Striatum

ASJC Scopus subject areas

  • Cognitive Neuroscience
  • Neurology

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