期刊
SOCIAL COGNITIVE AND AFFECTIVE NEUROSCIENCE
卷 9, 期 8, 页码 1150-1158出版社
OXFORD UNIV PRESS
DOI: 10.1093/scan/nst090
关键词
interpersonal guilt; anterior middle cingulate; fMRI; gray matter volume; mediation pathway analysis
资金
- National Basic Research Program from the Ministry of Science and Technology of China (973 Program) [2010CB833904]
- National Natural Science Foundation of China [30110972, 91232708]
People feel bad for inflicting harms upon others; this emotional state is termed interpersonal guilt. In this study, the participant played multiple rounds of a dot-estimation task with anonymous partners while undergoing fMRI. The partner would receive pain stimulation if the partner or the participant or both responded incorrectly; the participant was then given the option to intervene and bear a proportion of pain for the partner. The level of pain voluntarily taken and the activations in anterior middle cingulate cortex (aMCC) and bilateral anterior insula (AI) were higher when the participant was solely responsible for the stimulation (Self_Incorrect) than when both committed an error (Both_Incorrect). Moreover, the gray matter volume in the aMCC predicted the individual's compensation behavior, measured as the difference between the level of pain taken in the Self_Incorrect and Both_Incorrect conditions. Furthermore, a mediation pathway analysis revealed that activation in a midbrain region mediated the relationship between aMCC activation and the individual's tendency to compensate. These results demonstrate that the aMCC and the midbrain nucleus not only play an important role in experiencing interpersonal guilt, but also contribute to compensation behavior.
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