Executive functioning and rumination as they relate to stress-induced cortisol curves
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Executive functioning and rumination as they relate to stress‑induced cortisol curves Jasmin E. Guevara1,2 · Kyle W. Murdock1
Received: 28 June 2019 / Accepted: 11 November 2019 © Springer Science+Business Media, LLC, part of Springer Nature 2019
Abstract Better executive functioning may be associated with more adaptive stress responses than worse executive functioning, potentially due to less propensity for rumination. In this study, we tested the hypothesis that better executive functioning would be associated with decreased total cortisol output (AUCg) and cortisol sensitivity with respect to increase/decrease (AUCi) in response to a stressor, and that this association is mediated by stress task rumination. Participants completed measures of inhibition, updating/monitoring, and cognitive flexibility, a social-evaluative stressor, and a self-report measure of rumination about the stressor. Participants provided saliva samples at six time points to measure cortisol output and sensitivity. Cognitive flexibility was negatively associated with stress task rumination (r = − .30, p
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