Testosterone and androgen receptor gene polymorphism are associated with confidence and competitiveness in men. / Eisenegger, Christoph; Kumsta, Robert; Naef, Michael; Gromoll, Joerg; Heinrichs, Markus.

In: Hormones and Behavior, Vol. 92, 06.2017, p. 93-102.

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Testosterone and androgen receptor gene polymorphism are associated with confidence and competitiveness in men. / Eisenegger, Christoph; Kumsta, Robert; Naef, Michael; Gromoll, Joerg; Heinrichs, Markus.

In: Hormones and Behavior, Vol. 92, 06.2017, p. 93-102.

Research output: Contribution to journalSpecial issuepeer-review

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Eisenegger, Christoph ; Kumsta, Robert ; Naef, Michael ; Gromoll, Joerg ; Heinrichs, Markus. / Testosterone and androgen receptor gene polymorphism are associated with confidence and competitiveness in men. In: Hormones and Behavior. 2017 ; Vol. 92. pp. 93-102.

BibTeX

@article{d75241f16e144a019101b2682dae8894,
title = "Testosterone and androgen receptor gene polymorphism are associated with confidence and competitiveness in men",
abstract = "Stud­ies in non-hu­man an­i­mals and hu­mans have demon­strated the im­por­tant role of testos­terone in com­pet­i­tive in­ter­ac­tions. Here, we in­ves­ti­gated whether en­doge­nous testos­terone lev­els pre­dict the de­ci­sion to com­pete, in a de­sign ex­clud­ing spite as a mo­tive un­der­ly­ing com­pet­i­tive­ness. In a lab­o­ra­tory ex­per­i­ment with real mon­e­tary in­cen­tives, 181 men solved arith­metic prob­lems, first un­der a non­com­pet­i­tive piece rate, fol­lowed by a com­pe­ti­tion in­cen­tive scheme. We also as­sessed sev­eral pa­ra­me­ters rel­e­vant to com­pe­ti­tion, such as risk tak­ing, per­for­mance, and con­fi­dence in one's own per­for­mance. Sali­vary testos­terone lev­els were mea­sured be­fore and 20 min af­ter the com­pe­ti­tion task us­ing mass spec­trom­e­try. Par­tic­i­pants were also geno­typed for the CAG re­peat poly­mor­phism of the an­dro­gen re­cep­tor gene, known to in­flu­ence the ef­fi­cacy of testos­terone sig­nal­ing in a rec­i­p­ro­cal re­la­tion­ship to the num­ber of CAG re­peats. We ob­served a sig­nif­i­cant pos­i­tive as­so­ci­a­tion be­tween basal testos­terone lev­els and the de­ci­sion to com­pete, and that higher testos­terone lev­els were re­lated to greater con­fi­dence in one's own per­for­mance. Whereas the num­ber of CAG re­peats was not as­so­ci­ated with the choice to com­pete, a lower num­ber of CAG re­peats was re­lated to greater con­fi­dence in those who chose to com­pete, but this ef­fect was at­trib­ut­able to the poly­mor­phis­m's ef­fect on ac­tual per­for­mance. An in­crease in testos­terone lev­els was ob­served fol­low­ing the ex­per­i­ment, and this in­crease var­ied with self-re­ported high-school math grades. We ex­pand upon the lat­est re­search by doc­u­ment­ing ef­fects of the an­dro­gen sys­tem in con­fi­dence in one's own abil­ity, and con­clude that testos­terone pro­motes com­pet­i­tive­ness with­out spite.",
author = "Christoph Eisenegger and Robert Kumsta and Michael Naef and Joerg Gromoll and Markus Heinrichs",
year = "2017",
month = jun,
doi = "10.1016/j.yhbeh.2016.09.011",
language = "English",
volume = "92",
pages = "93--102",
journal = "Hormones and Behavior",
issn = "0018-506X",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Testosterone and androgen receptor gene polymorphism are associated with confidence and competitiveness in men

AU - Eisenegger, Christoph

AU - Kumsta, Robert

AU - Naef, Michael

AU - Gromoll, Joerg

AU - Heinrichs, Markus

PY - 2017/6

Y1 - 2017/6

N2 - Stud­ies in non-hu­man an­i­mals and hu­mans have demon­strated the im­por­tant role of testos­terone in com­pet­i­tive in­ter­ac­tions. Here, we in­ves­ti­gated whether en­doge­nous testos­terone lev­els pre­dict the de­ci­sion to com­pete, in a de­sign ex­clud­ing spite as a mo­tive un­der­ly­ing com­pet­i­tive­ness. In a lab­o­ra­tory ex­per­i­ment with real mon­e­tary in­cen­tives, 181 men solved arith­metic prob­lems, first un­der a non­com­pet­i­tive piece rate, fol­lowed by a com­pe­ti­tion in­cen­tive scheme. We also as­sessed sev­eral pa­ra­me­ters rel­e­vant to com­pe­ti­tion, such as risk tak­ing, per­for­mance, and con­fi­dence in one's own per­for­mance. Sali­vary testos­terone lev­els were mea­sured be­fore and 20 min af­ter the com­pe­ti­tion task us­ing mass spec­trom­e­try. Par­tic­i­pants were also geno­typed for the CAG re­peat poly­mor­phism of the an­dro­gen re­cep­tor gene, known to in­flu­ence the ef­fi­cacy of testos­terone sig­nal­ing in a rec­i­p­ro­cal re­la­tion­ship to the num­ber of CAG re­peats. We ob­served a sig­nif­i­cant pos­i­tive as­so­ci­a­tion be­tween basal testos­terone lev­els and the de­ci­sion to com­pete, and that higher testos­terone lev­els were re­lated to greater con­fi­dence in one's own per­for­mance. Whereas the num­ber of CAG re­peats was not as­so­ci­ated with the choice to com­pete, a lower num­ber of CAG re­peats was re­lated to greater con­fi­dence in those who chose to com­pete, but this ef­fect was at­trib­ut­able to the poly­mor­phis­m's ef­fect on ac­tual per­for­mance. An in­crease in testos­terone lev­els was ob­served fol­low­ing the ex­per­i­ment, and this in­crease var­ied with self-re­ported high-school math grades. We ex­pand upon the lat­est re­search by doc­u­ment­ing ef­fects of the an­dro­gen sys­tem in con­fi­dence in one's own abil­ity, and con­clude that testos­terone pro­motes com­pet­i­tive­ness with­out spite.

AB - Stud­ies in non-hu­man an­i­mals and hu­mans have demon­strated the im­por­tant role of testos­terone in com­pet­i­tive in­ter­ac­tions. Here, we in­ves­ti­gated whether en­doge­nous testos­terone lev­els pre­dict the de­ci­sion to com­pete, in a de­sign ex­clud­ing spite as a mo­tive un­der­ly­ing com­pet­i­tive­ness. In a lab­o­ra­tory ex­per­i­ment with real mon­e­tary in­cen­tives, 181 men solved arith­metic prob­lems, first un­der a non­com­pet­i­tive piece rate, fol­lowed by a com­pe­ti­tion in­cen­tive scheme. We also as­sessed sev­eral pa­ra­me­ters rel­e­vant to com­pe­ti­tion, such as risk tak­ing, per­for­mance, and con­fi­dence in one's own per­for­mance. Sali­vary testos­terone lev­els were mea­sured be­fore and 20 min af­ter the com­pe­ti­tion task us­ing mass spec­trom­e­try. Par­tic­i­pants were also geno­typed for the CAG re­peat poly­mor­phism of the an­dro­gen re­cep­tor gene, known to in­flu­ence the ef­fi­cacy of testos­terone sig­nal­ing in a rec­i­p­ro­cal re­la­tion­ship to the num­ber of CAG re­peats. We ob­served a sig­nif­i­cant pos­i­tive as­so­ci­a­tion be­tween basal testos­terone lev­els and the de­ci­sion to com­pete, and that higher testos­terone lev­els were re­lated to greater con­fi­dence in one's own per­for­mance. Whereas the num­ber of CAG re­peats was not as­so­ci­ated with the choice to com­pete, a lower num­ber of CAG re­peats was re­lated to greater con­fi­dence in those who chose to com­pete, but this ef­fect was at­trib­ut­able to the poly­mor­phis­m's ef­fect on ac­tual per­for­mance. An in­crease in testos­terone lev­els was ob­served fol­low­ing the ex­per­i­ment, and this in­crease var­ied with self-re­ported high-school math grades. We ex­pand upon the lat­est re­search by doc­u­ment­ing ef­fects of the an­dro­gen sys­tem in con­fi­dence in one's own abil­ity, and con­clude that testos­terone pro­motes com­pet­i­tive­ness with­out spite.

U2 - 10.1016/j.yhbeh.2016.09.011

DO - 10.1016/j.yhbeh.2016.09.011

M3 - Special issue

VL - 92

SP - 93

EP - 102

JO - Hormones and Behavior

JF - Hormones and Behavior

SN - 0018-506X

ER -