Functions of the right DLPFC and right TPJ in proposers and responders in the ultimatum game.
perspective taking
self-other-distinction
self-regulation
tDCS
Journal
Social cognitive and affective neuroscience
ISSN: 1749-5024
Titre abrégé: Soc Cogn Affect Neurosci
Pays: England
ID NLM: 101288795
Informations de publication
Date de publication:
05 03 2019
05 03 2019
Historique:
received:
06
07
2017
revised:
25
11
2018
accepted:
13
01
2019
pubmed:
29
1
2019
medline:
22
1
2020
entrez:
29
1
2019
Statut:
ppublish
Résumé
Recent studies explored a network of brain regions involved in economic decision making. The present study focuses on two of those regions, each relevant for specific and distinct functions in economic decision making: the right temporoparietal junction (rTPJ) and the right dorsolateral prefrontal cortex (rDLPFC). In two experiments using transcranial direct current stimulation, we explored two proposed functions of these areas in bargaining situations using the ultimatum game (UG): understanding the others perspective and integration of fairness norms. Participants first took the role of the proposer and then the role of the responder. We showed that stimulation of the rTPJ only affected the proposer condition. Interestingly, inhibition of the rTPJ led to fairer offers, which strengthens the view that the role of the rTPJ in bargaining situations is to differentiate one's own from the other's perspective. Furthermore, we argue that the rDLPFC is most likely involved in suppressing self-interest when a person is confronted with a direct reward but does not play a role in long-term reward anticipation or integrating social fairness norms. We conclude that self-interest inhibition is shown only in responders, and that perspective taking seems to be a necessary specifically for proposers in the UG.
Identifiants
pubmed: 30690558
pii: 5303798
doi: 10.1093/scan/nsz005
pmc: PMC6399615
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
263-270Informations de copyright
© The Author(s) 2019. Published by Oxford University Press.
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