Testing the ecological validity of the Trier Social Stress Test : Association with real-life exam stress

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2017
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Henze, Gina-Isabelle
Zänkert, Sandra
Urschler, David F.
Hiltl, Tanja J.
Kudielka, Brigitte M.
Wüst, Stefan
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Psychoneuroendocrinology. 2017, 75, pp. 52-55. ISSN 0306-4530. eISSN 1873-3360. Available under: doi: 10.1016/j.psyneuen.2016.10.002
Zusammenfassung

The Trier Social Stress Test (TSST) is the most widely used laboratory stress protocol in psychoneuroendocrinology. Despite its popularity, surprisingly few attempts have been made to explore the ecological validity of the TSST. In the present study, 31 young healthy subjects (24 females) were exposed to the TSST about 4 weeks before completing an oral exam on a separate day. Salivary cortisol levels increased significantly in response to both stimuli (TSST: F(2.21, 66.33)=5.73, p=0.004; oral exam: F(1.98, 59.28)=4.38, p=0.017) with similar mean response curves and significant correlations between cortisol increases and areas under the response curves (increase: r=0.67; AUC: r=0.56; both p≤0.01). Correspondingly, changes in positive and negative affect did also show significant correlations between conditions (increase: positive affect: r=0.36; negative affect: r=0.50; both: p≤0.05; AUC: positive affect: r=0.81; negative affect: r=0.70; both p≤0.01) while mean time course dynamics were significantly different (positive affect: F(2.55, 76.60)=10.15, p=0.001; negative affect: F(1.56, 46.82)=23.32, p=0.001), indicating that the oral exam had a more pronounced impact on affect than the TSST. Our findings provide new evidence for the view that cortisol as well as subjective stress responses to the TSST are indeed significantly associated with acute stress responses in real life.

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Fachgebiet (DDC)
150 Psychologie
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Acute stress responses; HPA axis; Salivary cortisol; Positive/negative affect; Real-life stress
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ISO 690HENZE, Gina-Isabelle, Sandra ZÄNKERT, David F. URSCHLER, Tanja J. HILTL, Brigitte M. KUDIELKA, Jens C. PRUESSNER, Stefan WÜST, 2017. Testing the ecological validity of the Trier Social Stress Test : Association with real-life exam stress. In: Psychoneuroendocrinology. 2017, 75, pp. 52-55. ISSN 0306-4530. eISSN 1873-3360. Available under: doi: 10.1016/j.psyneuen.2016.10.002
BibTex
@article{Henze2017-01Testi-38194,
  year={2017},
  doi={10.1016/j.psyneuen.2016.10.002},
  title={Testing the ecological validity of the Trier Social Stress Test : Association with real-life exam stress},
  volume={75},
  issn={0306-4530},
  journal={Psychoneuroendocrinology},
  pages={52--55},
  author={Henze, Gina-Isabelle and Zänkert, Sandra and Urschler, David F. and Hiltl, Tanja J. and Kudielka, Brigitte M. and Pruessner, Jens C. and Wüst, Stefan}
}
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