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首页> 外文期刊>Pain practice: the official journal of World Institute of Pain >The Role of Mood States Underlying Sex Differences in the Perception and Tolerance of Pain
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The Role of Mood States Underlying Sex Differences in the Perception and Tolerance of Pain

机译：情绪状态的角色潜在的性别差异疼痛的感知和宽容

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摘要

While sex differences in pain reporting are frequently observed, the reasons underlying these differences remain unclear. The present study examined sex differences in self-report and physiological measures of pain threshold and tolerance following the administration of two laboratory pain-induction tasks. The primary study aim centered on determining whether repeated exposure to such tasks would yield sex differences in terms of pain threshold and tolerance. In addition, it was hypothesized that if such differences did exist, negative mood states might account for changes in pain ratings, threshold, and/or tolerance in subsequent exposure to noxious stimuli. Recruited from a convenience sample, 66 participants (44 female and 22 male) were exposed to both thermal and cold noxious stimuli at three separate times, while psychophysiological and self-report data were collected. Because women outnumbered men 2:1, Fisher z transformations were performed to determine whether the observed associations between mood states and pain ratings differed. We found stronger associations between fatigue and thermal-heat pain ratings for men at their first and third exposure to the pain task compared to women (z = 2 11, P<0.05; z = 3.14, P< 0.001, respectively). Results indicated that women evidenced greater pain tolerance than men on both a behavioral and physiological level; however, they reported greater pain severity than men. Fatigue was also found to be particularly important to reports of pain severity in men and pain tolerance in response to noxious stimuli for women. Possible pathways in which mood states influenced these endpoints are discussed.
机译：而在痛苦中性别差异报告经常观察到,这些潜在的原因差异尚不清楚。检查在自我报告和性别差异生理痛阈和措施宽容的政府实验室pain-induction任务。研究目标集中在确定反复接触这样的任务会产生性痛阈和差异宽容。如果这些差异存在,负面情绪州可能占疼痛评分的变化,阈值,和/或在随后的容忍度暴露在有害的刺激。便利样本,66名参与者(44岁女性和男性22日)和热冷有害刺激三个独立的时候,而听和自我报告的数据收集。2:1,费舍尔z变换进行确定是否观察到的关联不同情绪状态和疼痛之间的评级。发现更强的疲劳和之间的联系对男性在他们的第一个thermal-heat疼痛评分和第三接触痛苦任务相比女性(z = 2, P < 0.05;分别)。证明都比男性更大的疼痛容忍度行为和生理水平;他们比男性更大的疼痛程度。还发现特别疲劳重要的在男人和疼痛的严重程度疼痛容忍度对有害刺激的反应女性。讨论了影响这些端点。

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