 Activation of the PVN→VTA projection by oxytocin affects sexual, social, and addictive behavior via this link to the mesolimbic pathway; specifically, oxytocin exerts a prosexual and prosocial effect in this region.The receptors for oxytocin (OXTR) have genetic differences with varied effects on individual behavior.The polymorphism (rs53576) occurs on the third intron of OXTR in three types