Acute stress modulates feedback processing in men and women: differential effects on the feedback-related negativity and theta and beta power.
Acute stress modulates feedback processing in men and women: differential effects on the feedback-related negativity and theta and beta power.
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DOI：
10.1371/journal.pone.0095690
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发表时间：
2014
期刊：
影响因子：
3.7
通讯作者：
Lorist MM
中科院分区：
文献类型：
--
作者：
Banis S;Geerligs L;Lorist MM
生理应激反应的性别差异可能部分解释了精神和身体疾病的性别特异性患病率。可能涉及的神经网络是那些潜在的反馈处理。本脑电图研究的目的是调查急性应激是否会改变反馈处理，以及应激效应在男性和女性之间是否存在差异。男性和女性参与者在控制和压力条件下执行赌博任务。通过将参与者暴露于噪声应激源来诱导压力。使用事件相关电位和时间-频率分析来分析大脑活动，分别测量θ和β振荡功率的反馈相关负性（FRN）和反馈相关变化。虽然FRN和反馈相关的θ功率在两种性别中受到应激诱导的影响相似，但反馈相关的β功率取决于应激诱导条件和性别的组合。FRN振幅和θ功率增加较小的压力相对于控制条件下，在两种性别，表明急性噪声应力损害性能监测，无论性别。然而，在压力下，而不是在控制条件下，早期较低的β波段功率增加男性比女性大，表明压力对反馈处理的影响部分是性别依赖的。我们的研究结果表明，性别特异性反馈处理的影响可能包括性别特异性应激反应的一个因素。
Sex-specific prevalence rates in mental and physical disorders may be partly explained by sex differences in physiological stress responses. Neural networks that might be involved are those underlying feedback processing. Aim of the present EEG study was to investigate whether acute stress alters feedback processing, and whether stress effects differ between men and women. Male and female participants performed a gambling task, in a control and a stress condition. Stress was induced by exposing participants to a noise stressor. Brain activity was analyzed using both event-related potential and time-frequency analyses, measuring the feedback-related negativity (FRN) and feedback-related changes in theta and beta oscillatory power, respectively. While the FRN and feedback-related theta power were similarly affected by stress induction in both sexes, feedback-related beta power depended on the combination of stress induction condition and sex. FRN amplitude and theta power increases were smaller in the stress relative to the control condition in both sexes, demonstrating that acute noise stress impairs performance monitoring irrespective of sex. However, in the stress but not in the control condition, early lower beta-band power increases were larger for men than women, indicating that stress effects on feedback processing are partly sex-dependent. Our findings suggest that sex-specific effects on feedback processing may comprise a factor underlying sex-specific stress responses.
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