Changes in vitality in response to acute stress: an investigation of the role of anxiety and physiological reactivity.
Changes in vitality in response to acute stress: an investigation of the role of anxiety and physiological reactivity.
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DOI：
10.1080/10615806.2021.1929935
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发表时间：
2022-03
期刊：
影响因子：
--
通讯作者：
John-Henderson NA
中科院分区：
文献类型：
--
作者：
Tintzman CS;Kampf TD;John-Henderson NA
感觉充满活力，或活力，是在压力范式的框架内考察的。目前的研究调查了内分泌和心血管对急性心理压力的反应是否预示着活力的下降。一个由90名本科生组成的样本完成了实验室内应激源。我们在任务前测量了焦虑、状态活力、皮质醇水平、心率和血压，并测量了状态活力、皮质醇、心率和血压对应激源的变化。我们调查了任务前焦虑是否预示着状态活力的变化，以及这种变化是否可以通过生理反应来解释。结果表明，在应激源之前的认知和躯体焦虑预示着活力的变化，这是由对任务的舒张压(95%CI[0.017，0.517]；[0.006，0.454]和收缩压(95%CI[0.038，0.705])的大小调节的。皮质醇反应性与躯体焦虑相关(F(6，83)=3.34，p<；.01，β=0.401)，但与活力变化无关。总之，这些结果有助于理解对压力源的生理反应是如何耗尽活力的。
Feeling alive and invigorated, or vitality, is examined within the framework of a stress paradigm. The current study investigated whether endocrine and cardiovascular responses to acute psychological stress predict declines in vitality. A sample of 90 undergraduate students completed an in-lab stressor. We measured anxiety, state vitality, cortisol levels, heart rate, and blood pressure before the task, and measured changes in state vitality, cortisol, heart rate, and blood pressure in response to the stressor. We investigated whether pre-task anxiety predicted changes in state vitality, and whether such changes were explained by physiological responses. Results indicate that cognitive and somatic anxiety preceding a stressor predict changes in vitality, which is mediated by the magnitude of diastolic (95% CI [0.017, 0.517]; [0.006, 0.454] and systolic (95% CI [0.038, 0.705]) blood pressure responses to the task. Cortisol reactivity was associated with somatic anxiety (F(6, 83) = 3.34, p < .01, β = 0.401) but was not related to changes in vitality. Together, these results contribute to the understanding of how physiological reactivity to a stressor can deplete vitality.
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