The Neurocomputational Mechanism Underlying Decision-Making on Unfairness to Self and Others  

作　　者：Lanxin Luo Han Xu Xia Tian Yue Zhao Ruoling Xiong Huafeng Dong Xiaoqing Li Yuhe Wang Yue-Jia Luo Chunliang Feng 

机构地区：[1]Key Laboratory of Brain,Cognition and Education Sciences(South China Normal University),Ministry of Education,Guangzhou 510631,China [2]School of Psychology,South China Normal University,Guangzhou 510631,China [3]Center for Studies of Psychological Application,South China Normal University,Guangzhou 510631,China [4]Guangdong Key Laboratory of Mental Health and Cognitive Science,South China Normal University,Guangzhou 510631,China [5]Institute for Neuropsychological Rehabilitation,University of Health and Rehabilitation Sciences,Qingdao 266113,China [6]School of Psychology,Shenzhen University,Shenzhen 518061,China [7]State Key Laboratory of Cognitive Neuroscience and Learning,Beijing Normal University,Beijing 100875,China

出　　处：《Neuroscience Bulletin》2024年第10期1471-1488,共18页神经科学通报（英文版）

基　　金：supported by the National Natural Science Foundation of China (32271126 and 31920103009);the Natural Science Foundation of Guangdong Province (2021A1515010746);the Major Project of National Social Science Foundation (20&ZD153);Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions (2023SHIBS0003).

摘　　要：Fairness is a fundamental value in human societies,with individuals concerned about unfairness both to themselves and to others.Nevertheless,an enduring debate focuses on whether self-unfairness and other-unfairness elicit shared or distinct neuropsychological processes.To address this,we combined a three-person ultimatum game with computational modeling and advanced neuroimaging analysis techniques to unravel the behavioral,cognitive,and neural patterns underlying unfairness to self and others.Our behavioral and computational results reveal a heightened concern among participants for self-unfairness over other-unfairness.Moreover,self-unfairness consistently activates brain regions such as the anterior insula,dorsal anterior cingulate cortex,and dorsolateral prefrontal cortex,spanning various spatial scales that encompass univariate activation,local multivariate patterns,and whole-brain multivariate patterns.These regions are well-established in their association with emotional and cognitive processes relevant to fairness-based decision-making.Conversely,other-unfairness primarily engages the middle occipital gyrus.Collectively,our findings robustly support distinct neurocomputational signatures between self-unfairness and other-unfairness.

关 键 词：FAIRNESS Three-person ultimatum game fMRI.Computational model Multivoxel pattern analysis 

分 类 号：R741[医药卫生—神经病学与精神病学]