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首页> 外文期刊>The Journal of Neuroscience: The Official Journal of the Society for Neuroscience >Event-related repetitive transcranial magnetic stimulation of posterior superior temporal sulcus improves the detection of threatening postural changes in human bodies.
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Event-related repetitive transcranial magnetic stimulation of posterior superior temporal sulcus improves the detection of threatening postural changes in human bodies.

机译:后颞上颞沟的事件相关重复经颅磁刺激改善了对人体姿势变化的威胁。

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摘要

Perceiving others' emotions through their body movements and postures is crucial for successful social interaction. While imaging studies indicate that perceiving body emotions relies upon a wide network of subcortico-cortical neural regions, little is known on the causative role of different nodes of this network. We applied event-related repetitive transcranial magnetic stimulation (rTMS) over nonfacial, body- and action-related extrastriate (EBA), temporal (pSTS), and premotor (vPM) cortices to test their active contribution in perceiving changes between two successive images of either threatening or neutral human body or animal postures. While stimulation of EBA and vPM showed no selective effect on threatening stimuli with respect to neutral ones, rTMS over pSTS selectively impaired neutral posture detection and increased the accuracy in detecting changes of threatening human postures with respect to all other experimental conditions. No such effect was found for animal stimuli. These results support the notion that pSTS is crucially devoted to the detection of socially relevant information concerning others' actions, fostering the notion that amygdalo-temporo-cortical modulatory connections mediate perception of emotionally salient body postures.
机译:通过他人的身体动作和姿势感知他人的情绪对于成功的社交互动至关重要。影像学研究表明,感知身体情绪依赖于皮层下皮质神经区域的广泛网络,但对该网络不同节点的致病作用知之甚少。我们将事件相关的重复经颅磁刺激(rTMS)应用于非面部,与身体和动作相关的提取物(EBA),颞叶(pSTS)和运动前(vPM)皮层,以测试它们在感知两个连续图像之间的变化中所起的积极作用威胁或中立的人体或动物姿势。尽管EBA和vPM的刺激对中性刺激没有威胁性的选择性影响,但相对于pSTS而言,rTMS有选择地损害了中性姿势的检测,并提高了在所有其他实验条件下检测威胁性人类姿势变化的准确性。没有发现对动物刺激有这种作用。这些结果支持以下观点:pSTS专门用于检测与他人行为有关的社会相关信息,从而促进了杏仁核-颞-皮层调节连接介导情感上重要身体姿势的感知的观念。

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