Focal stimulation of the temporoparietal junction improves rationality in prosocial decision‑making

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dc.contributor.authorLi, Floraen
dc.contributor.authorBall, Sheryl B.en
dc.contributor.authorZhang, Xiaomengen
dc.contributor.authorSmith, Alexander Charlesen
dc.contributor.departmentEconomicsen
dc.contributor.departmentSchool of Neuroscienceen
dc.date.accessioned2021-03-02T19:02:02Zen
dc.date.available2021-03-02T19:02:02Zen
dc.date.issued2020en
dc.description.abstractWe tested the hypothesis that modulation of neurocomputational inputs to value-based decisionmaking affects the rationality of economic choices. The brain’s right temporoparietal junction (rTPJ) has been functionally associated with both social behavior and with domain-general information processing and attention. To identify the causal function of rTPJ in prosocial decisions, we administered focal high definition transcranial direct current stimulation (HD-tDCS) while participants allocated money between themselves and a charity in a modified dictator game. Anodal stimulation led to improved rationality as well as increased charitable giving and egalitarianism, resulting in more consistent and efficient choices and increased sensitivity to the price of giving. These results are consistent with the theory that anodal stimulation of the rTPJ increases the precision of value computations in social decision-making. Our results demonstrate that theories of rTPJ function should account for the multifaceted role of the rTPJ in the representation of social inputs into value-based decisions.en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1038/s41598-020-76956-9en
dc.identifier.urihttp://hdl.handle.net/10919/102529en
dc.identifier.volume10en
dc.language.isoenen
dc.publisherNature Researchen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleFocal stimulation of the temporoparietal junction improves rationality in prosocial decision‑makingen
dc.title.serialScientific Reportsen
dc.typeArticle - Refereeden

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Destination Area: Adaptive Brain and Behavior (ABB)
Scholarly Works, Economics
Scholarly Works, School of Neuroscience