Of note, oxytocin also has significant effects in the brain that mediate various forms of social cognition and social reward (Insel and Young, 2001; Bartz et al., 2011; Dolen et al., 2013; Marlin et al., 2015) in addition to anxiolytic effects upon stress and anxiety (Yoshida et al., 2009). The gene discussed is OXT; the disease is Anxiety.