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首页> 外文期刊>Neuroscience Letters: An International Multidisciplinary Journal Devoted to the Rapid Publication of Basic Research in the Brain Sciences >Sex differences in affective response to different intensity of emotionally negative stimuli: An event-related potentials study
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Sex differences in affective response to different intensity of emotionally negative stimuli: An event-related potentials study

机译：不同情绪负面刺激强度的情感反应中的性别差异：与事件相关的电位研究

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摘要

Previous studies have extensively reported an advantage of females in empathy as compared with males. It remains to be clarified, however, whether these sex differences are associated with sex specific neural processes underlying empathic response to different intensity of emotional stimulus. The present study examined sex differences in empathy for suffering persons by recording event-related potentials (ERP) to different emotional intensity. We compared affective response in males and females, who were exposed to a series of highly negative (HN), moderately negative (MN), and neutral pictures. The results revealed that both males and females showed a short-latency affective response, as indexed by frontal-central N2, to HN and MN stimuli. Moreover, both sexes showed a long-latency affective response, as indexed by central-parietal LPP, to HN stimuli. However, long-latency affective response to MN stimuli was present only in females, and sex differences were localized to the parietal sites. This suggests that the well-known female advantage in empathy may be attributable to the unique sensitivity of females to the affective state of persons in moderate suffering. Our results provide neuroscientific evidence for differences in affective response to different intensity of emotionally negative stimuli between the two sexes.
机译：先前的研究已经广泛报道了女性比男性具有同理心的优势。但是，这些性别差异是否与针对不同强度的情绪刺激的共情反应所依据的性别特定的神经过程有关，尚待阐明。本研究通过记录不同情感强度下的事件相关电位（ERP），研究了患者在移情上的性别差异。我们比较了男性和女性的情感反应，他们暴露于一系列高度阴性（HN），中等阴性（MN）和中性的图片。结果表明，男性和女性均表现出对HN和MN刺激的短暂潜伏性情感反应（以额中央N2为指标）。此外，根据中央顶叶LPP指数，这两种性别对HN刺激均表现出长期的情感反应。但是，仅在女性中存在对MN刺激的长时程情感反应，并且性别差异仅限于顶叶部位。这表明，在同情心方面众所周知的女性优势可能归因于女性对中等痛苦人群情感状态的独特敏感性。我们的研究结果提供了神经科学的证据，证明了两性之间对不同强度的负面情绪刺激的情感反应差异。

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