Testosterone administration decreases generosity in the ultimatum game.

Testosterone administration decreases generosity in the ultimatum game.

How do human beings decide when to be selfish or selfless? In this study, we gave testosterone to 25 men to establish its impact on prosocial behaviors in a double-blind within-subjects design. We also confirmed participants' testosterone levels before and after treatment through blood draws. U...

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Bibliographic Details
Main Authors: Paul J Zak, Robert Kurzban, Sheila Ahmadi, Ronald S Swerdloff, Jang Park, Levan Efremidze, Karen Redwine, Karla Morgan, William Matzner
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2009-12-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC2789942?pdf=render

Internet

http://europepmc.org/articles/PMC2789942?pdf=render

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