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Is your stress my stress? : a standardized, randomized-controlled paradigm to study physiological stress contagion based on direct stress observation

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2024

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Deutsche Forschungsgemeinschaft (DFG): 2117-422037984

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Psychoneuroendocrinology. Elsevier. 2024, 162, 106964. ISSN 0306-4530. eISSN 1873-3360. Verfügbar unter: doi: 10.1016/j.psyneuen.2024.106964

Zusammenfassung

Background & objectives: Existing research indicates that not only own stress leads to physiological stress reactions, but also observing stress in others. So far, a standardized paradigm to reliably induce physiological stress contagion based on direct face-to-face stress observation compared to an active placebo-stress observing control condition is lacking. Here, we tested a standardized randomized placebo-controlled experimental paradigm to investigate physiological reactivity to direct stress observation and characterized the stress contagion response of the major endocrine stress systems, including full reactivity kinetics. Methods: Healthy young male participants were randomly assigned to (1) undergo an adapted version of the Trier Social Stress Test (“TSST participants”, n = 20), (2) observe it (“stress observers”, n = 36), or (3) observe a corresponding placebo-stress control condition (“placebo-stress observers”, n = 30). We repeatedly assessed heart rate, salivary alpha-amylase, salivary cortisol, and salivary aldosterone. Results: Stress observers exhibited greater physiological reactivity to stress observation as compared to placebo-stress observers to placebo-stress observation in heart rate, salivary alpha-amylase, and cortisol (p’s ≤ .027), but not in aldosterone. We observed similar reactivity kinetics in TSST participants and stress observers but less pronounced in stress observers. Discussion: Extending previous literature, our findings indicate that independent of secondary effects of the observation setting, direct observation of stress in other individuals induces activation of the hypothalamus-pituitary-adrenal axis and the sympathetic-adrenal-medullary axis. Moreover, the physiological stress contagion response resembles the physiological reactivity to first-hand stress but is less pronounced. Potential implications of physiological stress contagion regarding health, cognition, or behavior, as well as modulating factors need to be further elucidated.

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Fachgebiet (DDC)
570 Biowissenschaften, Biologie

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Stress, Stress contagion, Trier Social Stress Test, Psychological reactivity

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ISO 690AUER, Alisa, Lisa-Marie WALTHER, David JENDRYCZKO, Leon AUER, Petra H. WIRTZ, 2024. Is your stress my stress? : a standardized, randomized-controlled paradigm to study physiological stress contagion based on direct stress observation. In: Psychoneuroendocrinology. Elsevier. 2024, 162, 106964. ISSN 0306-4530. eISSN 1873-3360. Verfügbar unter: doi: 10.1016/j.psyneuen.2024.106964
BibTex
@article{Auer2024-04stres-69762,
  year={2024},
  doi={10.1016/j.psyneuen.2024.106964},
  title={Is your stress my stress? : a standardized, randomized-controlled paradigm to study physiological stress contagion based on direct stress observation},
  volume={162},
  issn={0306-4530},
  journal={Psychoneuroendocrinology},
  author={Auer, Alisa and Walther, Lisa-Marie and Jendryczko, David and Auer, Leon and Wirtz, Petra H.},
  note={Article Number: 106964}
}
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Methods: Healthy young male participants were randomly assigned to (1) undergo an adapted version of the Trier Social Stress Test (“TSST participants”, n = 20), (2) observe it (“stress observers”, n = 36), or (3) observe a corresponding placebo-stress control condition (“placebo-stress observers”, n = 30). We repeatedly assessed heart rate, salivary alpha-amylase, salivary cortisol, and salivary aldosterone.
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