The biology of monogamy
November 26, 2013 Comments Off on The biology of monogamyRead moreWhen the men received a nasal spray of oxytocin-which is released by the body during sexual arousal-they rated their partners more highly but not the other women. MRI scans show that after an oxytocin dose, areas of the brain associated with rewards, which also drive drug addiction, were more active when the men saw pictures of their partner, the researchers report online today in the Proceedings of the National Academy of Sciences.