Please use this identifier to cite or link to this item: https://doi.org/10.1371/journal.pone.0051095
Title: U-Shaped Relation between Plasma Oxytocin Levels and Behavior in the Trust Game
Authors: Zhong, S.
Monakhov, M.
Mok, H.P.
Tong, T.
Lai, P.S.
Chew, S.H. 
Ebstein, R.P.
Issue Date: 5-Dec-2012
Source: Zhong, S., Monakhov, M., Mok, H.P., Tong, T., Lai, P.S., Chew, S.H., Ebstein, R.P. (2012-12-05). U-Shaped Relation between Plasma Oxytocin Levels and Behavior in the Trust Game. PLoS ONE 7 (12) : -. ScholarBank@NUS Repository. https://doi.org/10.1371/journal.pone.0051095
Abstract: Trust underpins much of social and economic exchanges across human societies. In experimental economics, the Trust Game has served as the workhorse for the study of trust in a controlled incentivized setting. Recent evidence using intranasal drug administration, aka 'sniffing', suggests that oxytocin (OT) can function as a social hormone facilitating trust and other affiliative behaviors. Here we hypothesized that baseline plasma OT is a biomarker that partially predicts the degree of trust and trustworthiness observed in the trust game. Using a large sample of 1,158 participants, we observed a significant U-shaped relationship between plasma OT with the level of trust, and marginally with the level of trustworthiness, especially among males. Specifically, subjects with more extreme levels of plasma OT were more likely to be trusting as well as trustworthy than those with moderate levels of plasma OT. Our results contribute to a deeper understanding of the biological basis of human trust and underscore the usefulness of peripheral plasma OT measures in characterizing human social behavior. © 2012 Zhong et al.
Source Title: PLoS ONE
URI: http://scholarbank.nus.edu.sg/handle/10635/114210
ISSN: 19326203
DOI: 10.1371/journal.pone.0051095
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