Neural substrates of male parochial altruism are modulated by testosterone and behavioral strategy

Luise Reimers; Christian Büchel; Esther K Diekhof

doi:10.1016/j.neuroimage.2017.05.033

Neural substrates of male parochial altruism are modulated by testosterone and behavioral strategy

Standard

Neural substrates of male parochial altruism are modulated by testosterone and behavioral strategy. / Reimers, Luise; Büchel, Christian; Diekhof, Esther K.

in: NEUROIMAGE, Jahrgang 156, 01.08.2017, S. 265-276.

Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung

Harvard

Reimers, L, Büchel, C & Diekhof, EK 2017, 'Neural substrates of male parochial altruism are modulated by testosterone and behavioral strategy', NEUROIMAGE, Jg. 156, S. 265-276. https://doi.org/10.1016/j.neuroimage.2017.05.033

APA

Reimers, L., Büchel, C., & Diekhof, E. K. (2017). Neural substrates of male parochial altruism are modulated by testosterone and behavioral strategy. NEUROIMAGE, 156, 265-276. https://doi.org/10.1016/j.neuroimage.2017.05.033

Vancouver

Reimers L, Büchel C, Diekhof EK. Neural substrates of male parochial altruism are modulated by testosterone and behavioral strategy. NEUROIMAGE. 2017 Aug 1;156:265-276. https://doi.org/10.1016/j.neuroimage.2017.05.033

Bibtex

@article{d1c125d79c234841892f8f0a65da0437,

title = "Neural substrates of male parochial altruism are modulated by testosterone and behavioral strategy",

abstract = "Parochial altruism refers to ingroup favoritism and outgroup hostility and has recently been linked to testosterone. Here, we investigated the neurobiological mechanism of parochial altruism in male soccer fans playing the ultimatum game (UG) against ingroup and outgroup members (i.e., fans of the favorite or of a rivalling team) using functional magnetic resonance imaging. Our results suggest that individual differences in altruistic tendency influence the tendency for parochialism. While altruistic subjects rejected unfair offers independent of team membership, the more self-oriented 'pro-selfs' displayed a stronger ingroup bias and rejected outgroup offers more often. However, during a second session that introduced a team competition the altruists adapted to this parochial pattern. Behavioral strategy was further characterized by dissociable and context-dependent correlations between endogenous testosterone and neural responses in the anterior insula and the ventromedial prefrontal cortex. In sum, the present findings indicate that parochial altruism is shaped by individual differences in testosterone and behavioral strategy. In that way the results are in line with evolutionary theories of both individual and group selection.",

keywords = "Journal Article",

author = "Luise Reimers and Christian B{\"u}chel and Diekhof, {Esther K}",

year = "2017",

month = aug,

day = "1",

doi = "10.1016/j.neuroimage.2017.05.033",

language = "English",

volume = "156",

pages = "265--276",

journal = "NEUROIMAGE",

issn = "1053-8119",

publisher = "Academic Press",

}

RIS

TY - JOUR

T1 - Neural substrates of male parochial altruism are modulated by testosterone and behavioral strategy

AU - Reimers, Luise

AU - Büchel, Christian

AU - Diekhof, Esther K

PY - 2017/8/1

Y1 - 2017/8/1

N2 - Parochial altruism refers to ingroup favoritism and outgroup hostility and has recently been linked to testosterone. Here, we investigated the neurobiological mechanism of parochial altruism in male soccer fans playing the ultimatum game (UG) against ingroup and outgroup members (i.e., fans of the favorite or of a rivalling team) using functional magnetic resonance imaging. Our results suggest that individual differences in altruistic tendency influence the tendency for parochialism. While altruistic subjects rejected unfair offers independent of team membership, the more self-oriented 'pro-selfs' displayed a stronger ingroup bias and rejected outgroup offers more often. However, during a second session that introduced a team competition the altruists adapted to this parochial pattern. Behavioral strategy was further characterized by dissociable and context-dependent correlations between endogenous testosterone and neural responses in the anterior insula and the ventromedial prefrontal cortex. In sum, the present findings indicate that parochial altruism is shaped by individual differences in testosterone and behavioral strategy. In that way the results are in line with evolutionary theories of both individual and group selection.

AB - Parochial altruism refers to ingroup favoritism and outgroup hostility and has recently been linked to testosterone. Here, we investigated the neurobiological mechanism of parochial altruism in male soccer fans playing the ultimatum game (UG) against ingroup and outgroup members (i.e., fans of the favorite or of a rivalling team) using functional magnetic resonance imaging. Our results suggest that individual differences in altruistic tendency influence the tendency for parochialism. While altruistic subjects rejected unfair offers independent of team membership, the more self-oriented 'pro-selfs' displayed a stronger ingroup bias and rejected outgroup offers more often. However, during a second session that introduced a team competition the altruists adapted to this parochial pattern. Behavioral strategy was further characterized by dissociable and context-dependent correlations between endogenous testosterone and neural responses in the anterior insula and the ventromedial prefrontal cortex. In sum, the present findings indicate that parochial altruism is shaped by individual differences in testosterone and behavioral strategy. In that way the results are in line with evolutionary theories of both individual and group selection.

KW - Journal Article

U2 - 10.1016/j.neuroimage.2017.05.033

DO - 10.1016/j.neuroimage.2017.05.033

M3 - SCORING: Journal article

C2 - 28527791

VL - 156

SP - 265

EP - 276

JO - NEUROIMAGE

JF - NEUROIMAGE

SN - 1053-8119

ER -