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      Association between arginine vasopressin receptor 1A ( AVPR1A) polymorphism and inequity aversion

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          Abstract

          Although numerous studies have focused on brain functions related to inequity aversion, few have examined its genetic basis. Here, we show the association between estimated inequity aversion and polymorphisms in three genes associated with human sociality. Non-student adult participants took part in five economic game experiments on different days. Disadvantageous inequity aversion (DIA) and advantageous inequity aversion (AIA) were calculated from behavioural responses using Bayesian estimation. We investigated the association between genetic polymorphisms in the oxytocin receptor ( OXTR rs53576), arginine vasopressin receptor 1A ( AVPR1A RS3) and opioid receptor mu 1 ( OPRM1 rs1799971) and inequity aversion. Regarding AVPR1A RS3, participants with the SS genotype had higher AIA than those with the SL or LL genotypes, but no association was found for DIA. Moreover, we observed no aversion associations for OXTR rs53576 or OPRM1 rs1799971. The results suggest that AVPR1A plays an important role in aversion when one's own gain is greater than that of others. Our findings may provide a solid theoretical basis for future studies on the relationship between genetic polymorphisms and inequity aversion.

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          Most cited references72

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          A Theory of Fairness, Competition, and Cooperation

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            In Search of Homo Economicus: Behavioral Experiments in 15 Small-Scale Societies

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              Altruistic punishment in humans.

              Human cooperation is an evolutionary puzzle. Unlike other creatures, people frequently cooperate with genetically unrelated strangers, often in large groups, with people they will never meet again, and when reputation gains are small or absent. These patterns of cooperation cannot be explained by the nepotistic motives associated with the evolutionary theory of kin selection and the selfish motives associated with signalling theory or the theory of reciprocal altruism. Here we show experimentally that the altruistic punishment of defectors is a key motive for the explanation of cooperation. Altruistic punishment means that individuals punish, although the punishment is costly for them and yields no material gain. We show that cooperation flourishes if altruistic punishment is possible, and breaks down if it is ruled out. The evidence indicates that negative emotions towards defectors are the proximate mechanism behind altruistic punishment. These results suggest that future study of the evolution of human cooperation should include a strong focus on explaining altruistic punishment.
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                Author and article information

                Contributors
                Role: ConceptualizationRole: Formal analysisRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: VisualizationRole: Writing – original draft
                Role: Data curationRole: Formal analysisRole: InvestigationRole: MethodologyRole: Writing – original draft
                Role: InvestigationRole: Writing – original draft
                Role: ConceptualizationRole: Funding acquisitionRole: SupervisionRole: Writing – review & editing
                Role: ConceptualizationRole: SupervisionRole: Writing – review & editing
                Role: ConceptualizationRole: SupervisionRole: Writing – review & editing
                Role: ConceptualizationRole: Formal analysisRole: Funding acquisitionRole: MethodologyRole: ResourcesRole: SupervisionRole: Writing – review & editing
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: Funding acquisitionRole: InvestigationRole: Project administrationRole: Writing – original draft
                Journal
                Proc Biol Sci
                Proc Biol Sci
                RSPB
                royprsb
                Proceedings of the Royal Society B: Biological Sciences
                The Royal Society
                0962-8452
                1471-2954
                June 14, 2023
                June 14, 2023
                June 14, 2023
                : 290
                : 2000
                : 20230378
                Affiliations
                [ 1 ] Brain Science Institute, Tamagawa University, , Tokyo, 194-8610, Japan
                [ 2 ] Graduate School of Brain Sciences, Tamagawa University, , Tokyo, 194-8610, Japan
                [ 3 ] Graduate School of Human Sciences, Osaka University, , Osaka, 565-0871, Japan
                [ 4 ] Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, , Tokyo, 113-8519, Japan
                [ 5 ] Wildlife Research Center, Kyoto University, , Kyoto, 606-8203, Japan
                Author notes
                [ † ]

                These authors contributed equally.

                Electronic supplementary material is available online at https://doi.org/10.6084/m9.figshare.c.6672285.

                Author information
                http://orcid.org/0000-0002-1699-5503
                http://orcid.org/0000-0002-1250-0147
                http://orcid.org/0000-0002-7371-2557
                http://orcid.org/0000-0002-5102-1982
                http://orcid.org/0000-0003-1989-2793
                http://orcid.org/0000-0002-1831-8311
                http://orcid.org/0000-0003-4249-876X
                http://orcid.org/0000-0002-5143-9289
                Article
                rspb20230378
                10.1098/rspb.2023.0378
                10265011
                37312550
                42039db4-17cd-4846-b5eb-35640b956ca4
                © 2023 The Authors.

                Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

                History
                : July 1, 2022
                : May 19, 2023
                Funding
                Funded by: Takeda Science Foundation, http://dx.doi.org/10.13039/100007449;
                Funded by: Cooperative Research Program of Wildlife Research Center;
                Funded by: Japan Society for the Promotion of Science, http://dx.doi.org/10.13039/501100001691;
                Award ID: JP19H04904
                Award ID: JP19H04915
                Award ID: JP19K14366
                Award ID: JP20J01395
                Award ID: JP25290082
                Funded by: Japan Agency for Medical Research and Development, http://dx.doi.org/10.13039/100009619;
                Award ID: JP18dm0307001
                Award ID: JP18dm0307006
                Award ID: JP21dm0307105
                Categories
                1001
                14
                197
                Behaviour
                Research Articles
                Custom metadata
                June 14, 2023

                Life sciences
                inequity aversion,economic game,genetic polymorphism,oxytocin receptor,arginine vasopressin receptor 1a,opioid receptor mu 1

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