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Testosterone disruptshuman collaborationby increasingegocentric choices Nicholas D. WrightBahador BahramiEmily Johnson2012 год

Testosterone disrupts human collaboration by increasing egocentric choices
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Аннотация: Collaboration can provide benefits to the individual and the group across a variety of contexts. Even in simple perceptual tasks, the aggregation of individuals' personal information can enable enhanced group decision-making. However, in certain circumstances such collaboration can worsen performance, or even expose an individual to exploitation in economic tasks, and therefore a balance needs to be struck between a collaborative and a more egocentric disposition. Neurohumoral agents such as oxytocin are known to promote collaborative behaviours in economic tasks, but whether there are opponent agents, and whether these might even affect information aggregation without an economic component, is unknown. Here, we show that an androgen hormone, testosterone, acts as such an agent. Testosterone causally disrupted collaborative decision-making in a perceptual decision task, markedly reducing performance benefit individuals accrued from collaboration while leaving individual decision-making ability unaffected. This effect emerged because testosterone engendered more egocentric choices, manifest in an overweighting of one's own relative to others' judgements during joint decision-making. Our findings show that the biological control of social behaviour is dynamically regulated not only by modulators promoting, but also by those diminishing a propensity to collaborate.
Год издания: 2012
Авторы: Nicholas D. Wright, Bahador Bahrami, Emily Johnson, Gina Di Malta, Geraint Rees, Chris Frith, Raymond J. Dolan
Издательство: Royal Society
Источник: Proceedings of the Royal Society B Biological Sciences
Ключевые слова: Evolutionary Psychology and Human Behavior, Evolutionary Game Theory and Cooperation, Psychology of Moral and Emotional Judgment
Другие ссылки: Proceedings of the Royal Society B Biological Sciences (PDF)
Proceedings of the Royal Society B Biological Sciences (HTML)
Europe PMC (PubMed Central) (PDF)
Europe PMC (PubMed Central) (HTML)
PubMed Central (HTML)
Open Research Online (The Open University) (HTML)
MPG.PuRe (Max Planck Society) (PDF)
MPG.PuRe (Max Planck Society) (HTML)
PubMed (HTML)