Key result
Appraising stress as a threat is linked to exaggerated MSNA reactivity.
Why the study?
The study investigated the association between stress appraisal and muscle sympathetic nerve activity reactivity to the Trier Social Stress Test.
Observational
Answers are grounded in this paper and cite their sources.
Threat appraisal may heighten sympathetic reactivity; leaves open its causal role in cardiovascular risk pending prospective trials.
The present study investigated the association between stress appraisal and muscle sympathetic nerve activity (MSNA) reactivity to the Trier Social Stress Test. Appraisal of the stress task as a threat (i.e., perceived inability to cope with the demands of the task) was associated with exaggerated MSNA reactivity to mental stress in humans. Threat appraisal is associated with exaggerated sympathetic reactivity to stress, potentially underlying the commonly observed interindividual variability in MSNA responsiveness to mental stress.
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Bigalke et al. (2024) reported an observational. Stress appraisal (Trier Social Stress Test) was evaluated on Muscle sympathetic nerve activity (MSNA) reactivity. Appraisal of a stress task as a threat was associated with exaggerated muscle sympathetic nerve activity reactivity to mental stress in humans.
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