Journal
NEUROSCIENCE
Volume 286, Issue -, Pages 171-186Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuroscience.2014.11.029
Keywords
social neuroendocrinology; testosterone; competition; aggression
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Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC) [RGPIN-2014-06676]
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A large body of evidence indicates that individual differences in baseline concentrations of testosterone (T) are only weakly correlated with human aggression. Importantly, T concentrations are not static, but rather fluctuate rapidly in the context of competitive interactions, suggesting that acute fluctuations in T may be more relevant for our understanding of the neuroendocrine mechanisms underlying variability in human aggression. In this paper, we provide an overview of the literature on T and human competition, with a primary focus on the role of competition-induced T dynamics in the modulation of human aggression. In addition, we discuss potential neural mechanisms underlying the effect of T dynamics on human aggression. Finally, we highlight several challenges for the field of social neuroendocrinology and discuss areas of research that may enhance our understanding of the complex bi-directional relationship between T and human social behavior. (C) 2014 IBRO. Published by Elsevier Ltd. All rights reserved.
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