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首页> 外文期刊>Cortex: A Journal Devoted to the Study of the Nervous System and Behavior >Gender differences in the neural network of facial mimicry of smiles - An rTMS study
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Gender differences in the neural network of facial mimicry of smiles - An rTMS study

机译：笑脸模拟的神经网络中的性别差异-rTMS研究

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摘要

Under theories of embodied emotion, exposure to a facial expression triggers facial mimicry. Facial feedback is then used to recognize and judge the perceived expression. However, the neural bases of facial mimicry and of the use of facial feedback remain poorly understood. Furthermore, gender differences in facial mimicry and emotion recognition suggest that different neural substrates might accompany the production of facial mimicry, and the processing of facial feedback, in men and women. Here, repetitive transcranial magnetic stimulation (rTMS) was applied to the right primary motor cortex (M1), the right primary somatosensory cortex (Si), or, in a control condition, the vertex (VTX). Facial mimicry of smiles and emotion judgments were recorded in response to video clips depicting changes from neutral or angry to happy facial expressions. While in females rTMS over M1 and Si compared to VTX led to reduced mimicry and, in the case of M1, delayed detection of smiles, there was no effect of TMS condition for males. We conclude that in female participants M1 and Si play a role in the mimicry and in the use of facial feedback for accurate processing of smiles. (C) 2015 Elsevier Ltd. All rights reserved.
机译：根据内在情感理论，暴露于面部表情会触发面部模仿。然后使用面部反馈来识别和判断感知到的表情。然而，关于面部模仿和使用面部反馈的神经基础仍然知之甚少。此外，在面部模仿和情感识别方面的性别差异表明，男女模仿面部表情的产生和面部反馈的处理可能会伴随着不同的神经基质。在这里，将重复经颅磁刺激（rTMS）应用于右初级运动皮层（M1），右初级体感皮层（Si），或在控制条件下对顶点（VTX）进行。微笑和情感判断面部模仿被记录在回应的视频片段描绘中性或生气的幸福表情的变化。在女性中，与VTX相比，M1和Si上的rTMS导致模仿减少，并且在M1情况下，微笑的延迟检测对男性没有TMS条件的影响。我们得出结论，在女性参与者中，M1和Si在模仿和使用面部反馈来准确处理微笑中发挥作用。 （C）2015 Elsevier Ltd.保留所有权利。

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