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The neural signatures of egocentric bias in normative decision-making
Feng, Chunliang1,2; Feng, Xue3; Wang, Li4; Wang, Lili5; Gu, Ruolei6,7; Ni, Aiping6,7; Deshpande, Gopikrishna8,9,10,11; Li, Zhihao1; Luo, Yue-Jia1,12
First AuthorFeng, Chunliang
Correspondent Emailzhihao li ; yue-jia luo
Contribution Rank6

Bargaining parties often disagree on what fair is, due to the reason that people are prone to believe that what favors oneself is fair, i.e., an egocentric bias. In this study, we investigated the neural signatures underlying egocentric bias in fairness decision-making, conjoining an adapted ultimatum game (UG) with event-related fMRI and functional connectivity. Participants earned monetary rewards with a partner in a production stage, wherein their contributions to the earnings were manipulated. Afterwards, the joint earnings were randomly divided, and the distribution was presented simultaneously with contribution information to participants, who accepted/rejected distributions of earnings as the same manner in standard UG. We identified an egocentric bias in fairness decisions, such that participants frequently rejected self-contributed disadvantageous outcomes, but much less so in response to other-contributed advantageous outcomes, although both involved mismatch between contribution and payoff. This bias was underpinned by regions involved in representing fairness norms, including the anterior insula and dorsal anterior cingulate cortex (dACC). Furthermore, the thalamus activity was predictive of the bias, such that the level of egocentric bias decreased as a function of the activation level of the thalamus. Finally, our functional-connectivity findings indicated that the thalamus worked together with insula and dACC to modulate behavioral egocentric bias in fairness-related decisions. Our findings uncover the neural basis underlying the modulation of egocentric bias in normative decision-making, and highlight the role of neural circuits associated with norm enforcement in this phenomenon.

KeywordFairness Egocentric bias Self-interest Ultimatum game fMRI Psychophysiological interactions
Indexed BySCI
Funding ProjectChinese postdoctoral innovation talent support program[BX201600019] ; China Postdoctoral Science Foundation[2017 M610055] ; National Natural Science Foundation of China ; foundation of the National Key Laboratory of Human Factors Engineering[HF2012-K-03] ; Natural Science Foundation of Jiangsu Province of China[BK20130415] ; Senzhen University[31671169] ; Senzhen University[31500920] ; Senzhen University[31300869] ; Senzhen University[201564/000099]
WOS Research AreaNeurosciences & Neurology
WOS SubjectNeuroimaging
WOS IDWOS:000469351500011
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLi, Zhihao; Luo, Yue-Jia
Affiliation1.Shenzhen Univ, Shenzhen Key Lab Affect & Social Cognit Sci, Shenzhen, Peoples R China
2.Beijing Normal Univ, Coll Informat Sci & Technol, Beijing, Peoples R China
3.Shaanxi Nonnal Univ, Key Lab Modern Teaching Technol, Minist Educ, Xian, Shaanxi, Peoples R China
4.Beijing Normal Univ, Collaborat Innovat Ctr Assessment Basic Educ Qual, Beijing, Peoples R China
5.Huaiyin Normal Univ, Sch Educ Sci, Huaian, Peoples R China
6.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing, Peoples R China
7.Univ Chinese Acad Sci, Dept Psychol, Beijing, Peoples R China
8.Auburn Univ, Dept Elect & Comp Engn, MRI Res Ctr, Auburn, AL 36849 USA
9.Auburn Univ, Dept Psychol, Auburn, AL 36849 USA
10.Auburn Univ, Alabama Adv Imaging Consortium, Auburn, AL 36849 USA
11.Univ Alabama Birmingham, Auburn, AL USA
12.Shenzhen Inst Neurosci, Ctr Emot & Brain, Shenzhen, Peoples R China
Recommended Citation
GB/T 7714
Feng, Chunliang,Feng, Xue,Wang, Li,et al. The neural signatures of egocentric bias in normative decision-making[J]. BRAIN IMAGING AND BEHAVIOR,2019,13(3):685-698.
APA Feng, Chunliang.,Feng, Xue.,Wang, Li.,Wang, Lili.,Gu, Ruolei.,...&Luo, Yue-Jia.(2019).The neural signatures of egocentric bias in normative decision-making.BRAIN IMAGING AND BEHAVIOR,13(3),685-698.
MLA Feng, Chunliang,et al."The neural signatures of egocentric bias in normative decision-making".BRAIN IMAGING AND BEHAVIOR 13.3(2019):685-698.
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