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疼痛共情的神经机制

ISSN号：1671-6981
期刊名称：《心理科学》
时间：0
分类：B842.3[哲学宗教—基础心理学;哲学宗教—心理学]
作者机构：[1]北京师范大学认知神经科学与学习国家重点实验室,北京100875
相关基金：国家重点基础研究计划（2011CB711000）和国家自然科学基金项目（30800298,30930031）的资助.

关键词：疼痛, 疼痛共情, 神经机制, 前扣带皮层, 初级感觉皮层, pain, empathy for pain, neural bases, ACC, primary somatosensory cortex

中文摘要：

疼痛是一种多维度的体验。情感成分和感觉成分是疼痛体验的主要成分，二者有着不同的神经机制。疼痛共情是痛觉“共鸣”的情绪反应，其神经机制的研究也围绕疼痛的情感成分和感觉成分展开。疼痛共情的情感成分的相关脑区主要有前扣带皮层和脑岛等脑区，与自身疼痛时相比，它们的激活位点及所处的神经网络存在差异；疼痛共情的感觉成分主要与初级感觉皮层以及一些其它的躯体感觉皮层有关，对它们的激活情况的研究受技术手段和实验范式的影响较大。未来的研究应从技术手段、分析方法及实验操作上予以关注。

英文摘要：

Pain, an unpleasant sensory and emotional experience caused by real or possible tissue damage, includes two primary aspects： affective and sensory components. The two components have different neural bases. Pain stimuli are processed in several brain areas including the thalamus, contra lateral primary somatosensory cortex （51） , secondary somatosensory cortices （52） , insula （IC） , anterior cingulate cortex （ACC） , as well as some prefrontal areas. The neural processes involved in the experience of empathy for pain, the understanding of pain in other persons, are not well understood. Studies on the neural basis of empathy for pain are also concerned about the sensory aspect and the affective aspect. Current evidences show that the perception of pain in others relies partly on the neural systems activated by noxious stimuli and involved in pain experiences ; perception of pain in others taps the affective component of pain processing, notably through the activation of the ACC and anterior IC. Most of the neuroimaging studies so far indicate that only the affective component of the pain matrix is called into play during empathy for pain. But the affective component of pain processing may have different neural bases. Peaks of activations in the ACC and IC reported in different neuroimaging studies were plotted together to examine possible distinctions between activity changes reported for pain in the self and perception of pain in others. The results indicate that activation sites in the ACC follow a clear caudo-rostral organization based on the target of the pain ： one＇s own or other＇s . Significant activation for the statistical conjunction of pain effects felt and seen was present both at the group level and the individual subject levels, although each subject showed distinct felt and seen pain areas in the cingulate, and a conjunction between these activations was not found in every individual. Researchers isolated overlapping regions for one＇s and others＇ pain in the ACC and AI an

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