Because oxytocin can promote trust, eye contact, and facial memory, it has been proposed as a therapy for the treatment of autism spectrum disorders (ASD), a developmental disorder with deficits in social communication (Green and Hollander, 2010; Insel, 2010; Meyer-Lindenberg et al., 2011; Yamasue et al., 2012; Miller, 2013). This evidence concerns the gene OXT and autism spectrum disorder.