Effects of manipulating the amount of social-evaluative threat on the cortisol stress response in young healthy men
Effects of manipulating the amount of social-evaluative threat on the cortisol stress response in young healthy men
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DOI：
10.1037/0735-7044.121.5.871
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发表时间：
2007-10-01
影响因子：
1.9
通讯作者：
Pruessner, Jens C.
中科院分区：
文献类型：
--
作者：
Andrews, Julie;Wadiwalla, Mehereen;Pruessner, Jens C.
感知到的社会评价威胁触发下丘脑-垂体肾上腺轴（HPA），导致皮质醇释放。目前的研究探讨了不同程度的社会评价威胁对压力反应的影响。60名健康男性（平均年龄= 23.17 - 3.89岁）接受了公开演讲任务。基于小组位置（室内或室外）和小组成员的数量（一个或两个）建立四个条件。据推测，这些变化影响唾液皮质醇和生理反应的梯度方式。这项任务在所有条件下都引起了显着的皮质醇和血压变化，但没有发现组间差异，这表明所有条件都是同样的压力。研究结论是，对于男性来说，面板的视觉存在并不是引起皮质醇反应的必要条件。此外，增加法官的数量并没有以渐进的方式增加压力反应的强度，而是似乎遵循一种阈值模式。未来的研究应该包括女性，并试图确定激活HPA轴的可能阈值。
Perceived social- evaluative threat triggers the hypothalamic-pituitary adrenal (HPA) axis, resulting in cortisol release. The current study examined the effects of varying the levels of social- evaluative threat on the stress response. Sixty healthy men (mean age = 23.17 -, 3.89 years) underwent a public speaking task. Four conditions were established on the basis of panel location (inside or outside the room) and number of panelists (one or two). It was hypothesized that these variations affect salivary cortisol and physiological responses in a gradient manner. The task elicited significant cortisol and blood pressure changes for all conditions, but no difference between the groups was found, suggesting that all conditions were equally stressful. Study conclusions were that, for men, the visual presence of a panel is not necessary to elicit a cortisol response. Furthermore, increasing the number of judges does not increase the intensity of the stress response in a gradual manner, but rather seems to follow a threshold pattern. Future studies should include women and try to define the possible threshold to activate the HPA axis.