Article
The association between 2D:4D ratio and cognitive empathy is contingent on a common polymorphism in the oxytocin receptor gene (OXTR rs53576).
Psychoneuroendocrinology - 1 Aug 2015
Weisman Omri, Pelphrey Kevin A, Leckman James F, Feldman Ruth, Lu Yunfeng, Chong Anne, Chen Ying, Monakhov Mikhail, Chew Soo Hong, Ebstein Richard P
Abstract excerpt
Both testosterone and oxytocin influence an individual's accuracy in inferring another's feelings and emotions. Fetal testosterone, and the second-to-forth digit ratio (2D:4D) as its proxy, plays a role in social cognitive development, often by attenuating socio-affective skill. Conversely, oxytocin generally facilitates socio-affiliative and empathic cognition and behavior. A common polymorphism in the oxytocin...
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