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Deciding for others as a neutral party recruits risk-neutral perspective-taking: Model-based behavioral and fMRI experiments.
Ogawa, Akitoshi; Ueshima, Atsushi; Inukai, Keigo; Kameda, Tatsuya.
Afiliación
  • Ogawa A; Department of Neurophysiology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.
  • Ueshima A; Brain Science Institute, Tamagawa University, 6-1-1 Tamagawagakuen, Machida, Tokyo, 194-8610, Japan.
  • Inukai K; Labratory for Symbolic Cognitive Development, RIKEN Center for Biosystems Dynamics Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.
  • Kameda T; Department of Social Psychology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
Sci Rep ; 8(1): 12857, 2018 08 27.
Article en En | MEDLINE | ID: mdl-30150657
Risky decision making for others is ubiquitous in our societies. Whereas financial decision making for oneself induces strong concern about the worst outcome (maximin concern) as well as the expected value, behavioral and neural characteristics of decision making for others are less well understood. We conducted behavioral and functional magnetic resonance imaging (fMRI) experiments to examine the neurocognitive underpinnings of risky decisions for an anonymous other, using decisions for self as a benchmark. We show that, although the maximin concern affected both types of decisions equally strongly, decision making for others recruited a more risk-neutral computational mechanism than decision making for self. Specifically, participants exhibited more balanced information search when choosing a risky option for others. Activity of right temporoparietal junction (rTPJ, associated with cognitive perspective taking) was parametrically modulated by options' expected values in decisions for others, and by the minimum amounts in decisions for self. Furthermore, individual differences in self-reported empathic concern modified these attentional and neural processes. Overall, these results indicate that the typical maximin concern is attenuated in a risk-neutral direction in decisions for others as compared to self. We conjecture that, given others' diverse preferences, deciding as a neutral party may cognitively recruit such risk-neutrality.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Asunción de Riesgos / Encéfalo / Toma de Decisiones Tipo de estudio: Etiology_studies / Prognostic_studies / Risk_factors_studies Límite: Adolescent / Adult / Female / Humans / Male Idioma: En Revista: Sci Rep Año: 2018 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Asunción de Riesgos / Encéfalo / Toma de Decisiones Tipo de estudio: Etiology_studies / Prognostic_studies / Risk_factors_studies Límite: Adolescent / Adult / Female / Humans / Male Idioma: En Revista: Sci Rep Año: 2018 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Reino Unido