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The Dynamics of Belief Updating in Human Cooperation: Findings from inter-brain ERP hyperscanning
Zhang, Dandan1; Lin, Yiqin1,2,3; Jing, Yiming2,3; Feng, Chunliang4; Gu, Ruolei2,3
Corresponding AuthorGu, Ruolei(
Source PublicationNEUROIMAGE
AbstractGenerally, successful cooperation can only be established when the interacting persons believe that they would not be betrayed; this belief can be updated by observing the other persons' actual choices. Thus, the process of belief updating plays an important role in conditional cooperation. Using the Prisoner's Dilemma Game (PDG) with event-related potential (ERP) hyperscanning, this study investigated the dynamics of belief updating in a dyad. During the task, participants were asked if they believed that their opponent would cooperate in the next trial, and their answers functioned as a self-reported index of reciprocal belief. The results suggested that this index shows strong associations with participants' behavioral choices (cooperate/betray). At the individual level, the amplitudes of the ERP components frontal P3a and parietal P3b elicited by the decision outcome were sensitive to belief updating. At the interpersonal level, the between-subject synchronization in P3b was higher than those in the other conditions when the paired participants confirmed each other's reciprocal beliefs. Since previous studies have linked the P3b with memory updating, we suggest that a cooperative relationship is built up when the memory systems (which support belief updating) of two interacting persons reach a high level of coordination. These findings may help explain how conditional cooperation develops between strangers.
KeywordCooperation Belief updating Prisoner's dilemma game Hyperscanning Event-related potential Inter-brain synchronization P3b component
Indexed BySCI ; SCI
Funding OrganizationNational Natural Science Foundation of China ; Shenzhen Basic Research Project ; Youth Innovation Promotion Association, CAS
Funding ProjectNational Natural Science Foundation of China[31571120] ; National Natural Science Foundation of China[31571124] ; National Natural Science Foundation of China[31800944] ; Shenzhen Basic Research Project[JCYJ20170302143246158] ; Youth Innovation Promotion Association, CAS[2019088]
WOS Research AreaNeurosciences & Neurology ; Radiology, Nuclear Medicine & Medical Imaging
WOS SubjectNeurosciences ; Neuroimaging ; Radiology, Nuclear Medicine & Medical Imaging
WOS IDWOS:000472495100001
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Document Type期刊论文
Corresponding AuthorGu, Ruolei
Affiliation1.Shenzhen Univ, Coll Psychol & Sociol, Dept Psychol, Shenzhen 518060, Peoples R China
2.Inst Psychol, CAS Key Lab Behav Sci, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Dept Psychol, Beijing 100049, Peoples R China
4.South China Normal Univ, Sch Psychol, Ctr Studies Psychol Applicat, Guangdong Prov Key Lab Mental Hlth & Cognit Sci, Guangzhou 510631, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Dandan,Lin, Yiqin,Jing, Yiming,et al. The Dynamics of Belief Updating in Human Cooperation: Findings from inter-brain ERP hyperscanning[J]. NEUROIMAGE,2019,198:1-12.
APA Zhang, Dandan,Lin, Yiqin,Jing, Yiming,Feng, Chunliang,&Gu, Ruolei.(2019).The Dynamics of Belief Updating in Human Cooperation: Findings from inter-brain ERP hyperscanning.NEUROIMAGE,198,1-12.
MLA Zhang, Dandan,et al."The Dynamics of Belief Updating in Human Cooperation: Findings from inter-brain ERP hyperscanning".NEUROIMAGE 198(2019):1-12.
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