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The effect of mortality salience and early-life maternal care on neuroendocrine, autonomic, and psychological stress responses

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2025

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Scientific Reports. Springer. 2025, 15, 1349. eISSN 2045-2322. Verfügbar unter: doi: 10.1038/s41598-025-85380-w

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Adverse early-life experiences alter the regulation of major stress systems such as the hypothalamic-pituitary-adrenal (HPA) axis. Low early-life maternal care (MC) has repeatedly been related to blunted cortisol stress responses. Likewise, an acutely increased awareness of mortality (mortality salience [MS]) also has been shown to blunt cortisol responses. In this study we investigated the effects of early-life MC and a potential interaction with MS on HPA axis responsivity, as well as autonomic and subjective stress responses. Seventy-three women (Mage=21.56, SDage=2.85) with self-reported low (n = 30) or high (n = 43) early-life MC, underwent the Trier Social Stress Test for groups. Before, they were asked to briefly contemplate either death (mortality condition, n = 38) or sleep (control condition, n = 35). Salivary cortisol and alpha amylase, heart rate variability and subjective stress levels were assessed repeatedly. Multilevel mixed models confirmed an effect of MC on stress system regulation, indicated by blunted cortisol responses and overall reduced heart rate variability in low versus high MC individuals. Moreover, we found an interaction between MS and MC concerning subjective stress and autonomic measures. Specifically, low MC individuals in the control compared to the mortality condition showed both overall higher subjective stress levels, and less increase in heart rate variability following stress. These findings demonstrate the enduring impact of low early-life MC and the potential role of acute mortality primes on the regulation of stress systems in healthy women.

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150 Psychologie

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Early-life adversity, Maternal care, Mortality salience, HPA axis, Stress, TSST

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ISO 690BENTELE, Ulrike U., Paula STROBEL, Maria MEIER, Annika B. E. BENZ, Raphaela GÄRTNER, Elea S. C. KLINK, Bernadette F. DENK, Stephanie J. DIMITROFF, Eva UNTERNAEHRER, Jens C. PRUESSNER, 2025. The effect of mortality salience and early-life maternal care on neuroendocrine, autonomic, and psychological stress responses. In: Scientific Reports. Springer. 2025, 15, 1349. eISSN 2045-2322. Verfügbar unter: doi: 10.1038/s41598-025-85380-w
BibTex
@article{Bentele2025-01-08effec-72070,
  title={The effect of mortality salience and early-life maternal care on neuroendocrine, autonomic, and psychological stress responses},
  year={2025},
  doi={10.1038/s41598-025-85380-w},
  volume={15},
  journal={Scientific Reports},
  author={Bentele, Ulrike U. and Strobel, Paula and Meier, Maria and Benz, Annika B. E. and Gärtner, Raphaela and Klink, Elea S. C. and Denk, Bernadette F. and Dimitroff, Stephanie J. and Unternaehrer, Eva and Pruessner, Jens C.},
  note={Article Number: 1349}
}
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