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Oxytocin Makes Us Moral - or perhaps only altruistic
Posted by Michael E. Marotta on 12/27, 6:54am
CNN Report of a TED Edinburgh Lecture.  "By taking blood from participants, we found that the more money denoting trust [was] received, the more oxytocin his or her brain made. And, the more oxytocin on board, the more money was returned... All this happened without any face-to-face interactions, revealing how easily the oxytocin system activates."

The link is to the CNN text summary and provides a video interview.  Here is the original TED Lecture.

Two peer-reviewed papers:

T= Neuroeconomics
A= Paul J. Zak
P= Philosophical Transactions: Biological Sciences, Vol. 359, No. 1451, Law and the Brain(Nov. 29, 2004), pp. 1737-1748


T= The Neuroeconomics of Distrust: Sex Differences in Behavior and Physiology
A= Paul J. Zak, Karla Borja, William T. Matzner, Robert Kurzban
P= The American Economic Review, Vol. 95, No. 2, Papers and Proceedings of the One Hundred Seventeenth Annual Meeting of the American Economic Association, Philadelphia,PA, January 7-9, 2005 (May, 2005), pp. 360-363.

Other studies of oxytocin indicate its presence in maternal bonding and orgasm. 

The basic question then seems to be whether people who are internally happy are easier to get along with, and to trust; and to have that trust rewarded. 
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