Testosterone Makes Us Less Cooperative and More Egocentric

http://www.sciencedaily.com/releases/2012/01/120131210259.htm

ScienceDaily (Jan. 31, 2012) — Testosterone makes us overvalue our own opinions at the expense of cooperation, research from the Wellcome Trust Centre for Neuroimaging at UCL (University College London) has found. The findings may have implications for how group decisions are affected by dominant individuals.

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Testosterone is naturally secreted in men and women, and testosterone levels are correlated with important behaviours (e.g. antisocial behaviour) in both men and women.

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