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(1西南大学心理学部, 认知与人格教育部重点实验室, 重庆 400715) (2重庆邮电大学思政部, 重庆 400065) (3成都理工大学, 成都 610059)
Effect of Interpersonal Distance on Neural Basis of Self- and Other Representation: Evidence from the oFRN Component
YANG Shuai;HUANG Xiting;CHEN Youguo;FU Yuling;LIU Mengchao
(1 Key Laboratory of Cognition and Personality (Ministry of Education) and School of Psychology, Southwest University, Chongqing 400715, China) (2 Teaching and Research Institute of Political Theory, Chongqing University of Posts and Telecommunications, Chongqing 400065, China) (3 Chengdu University of Technology, Chengdu 610059, China)
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为考察人际距离对自我-他人表征的影响, 采用金钱博弈任务检测了在自己操作、观察朋友操作和观察陌生同学操作时的脑电成分反馈相关负波(FRN)。结果发现, 观察任务产生了类似于自我操作时输钱反馈的负偏向, 即观察者反馈负波(oFRN); 在观察条件下, 被试自评与朋友的亲近程度高于同学(p<0.001), 两者引起的oFRN达到边缘显著性水平(p = 0.062), 亲近程度与oFRN呈显著相关(p = 0.041)。前者说明自我和他人具有相似表征, 后者则反映了自我对他人信息表征的替代性体验可能受人际距离所调节。

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关键词 观察者反馈负波(oFRN)人际距离自我-他人表征金钱博弈任务    

Since the concept of inclusion of other in the self (IOS) appeared, the topic of interpersonal distance has become an important research framework in social cognition. Similar to the self-reference effect, the other-reference effect was found when information related to close others (e.g. mother) was processed. These findings suggest that the representations of self and others are similar. Interestingly, studies on overcome evaluation indicated the same phenomenon. When participants monitor errors made by others, a similar ERP waveform could be detected by the observers just as they committed errors themselves. It is so-called observer feedback related negativity (oFRN). Although interpersonal distance is considered to play an important role, it is still unclear that how self- and other representation are modulated by interpersonal distance, since there are no consistent findings in previous studies. Thus, the purpose of this article was to confirm the effect of interpersonal distance on the oFRN, and to reveal the similarity of brain mechanism between self and others. Seventeen participants (9 males and 8 females) completed a simplified monetary gambling task in self-execution, friend-observation, and stranger-observation conditions, respectively. Actual observation paradigm was used in observation conditions, in which the electroencephalogram (EEG) participant and the partner were sitting side by side in the gambling task. The data were recorded from 64 scalp sites using tin electrodes mounted in an elastic cap. ERPs time-locked to the onset of feedback stimuli were averaged for epochs of 700ms starting 100ms prior to the stimulus (baseline). The ERPs were statistically evaluated by SPSS 15.0 with repeated measure analysis of variance (ANOVA). Results showed that there were more negative ERP responses, as indexed by the FRN, for loss trials compare to gain trials in monitoring both self and friend gambling (p<0.01, respectively). No significant difference was detected between loss and gain trials in stranger-observation condition (p>0.05), but a negative deflection was found in loss feedback. As for the oFRN, a marginally significant difference was found between friend- and stranger-observation conditions when distinct waves were statistically evaluated (p = 0.062). A correlation analysis was made to further explore the agency effect on the oFRN, and the results showed that interpersonal distance (evaluated by a subjective assessment) and the ERPs were significantly related (p<0.05). It indicates that a friend (who was rated closer) might be represented slightly more important than a stranger in “mirror” performance-monitoring system. That is, the oFRN is sensitive to interpersonal distance. The negative deflection across three agency conditions in loss trials suggested that similar monitoring mechanisms for both self- and other generated errors may be partly based on the mirror neuron system. However, the agency difference on the oFRN between friend and stranger observation conditions suggested that the vicarious experiences of others were modulated by interpersonal distance.

Key wordsoFRN    interpersonal distance    self- and other representation    monetary gambling task
收稿日期: 2013-01-21      出版日期: 2014-05-24


通讯作者: 黄希庭   
杨帅;黄希庭;陈有国;傅于玲;刘孟超. 人际距离调节自我-他人的神经表征:来自oFRN的证据[J]. 心理学报, 10.3724/SP.J.1041.2014.00666.
YANG Shuai;HUANG Xiting;CHEN Youguo;FU Yuling;LIU Mengchao. Effect of Interpersonal Distance on Neural Basis of Self- and Other Representation: Evidence from the oFRN Component. Acta Psychologica Sinica, 2014, 46(5): 666-676.
链接本文:      或
[1] 宋娟; 郭丰波; 张振; 原胜; 金花; 王益文. 人际距离影响疼痛共情:朋友启动效应[J]. 心理学报, 2016, 48(7): 833-844.
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