In other clinical trials oxytocin has, e.g., been shown to have antidepressant effects (Scantamburlo et al., 2014) and to decrease symptoms of schizophrenia (Pedersen et al., 2011), autism and Asperger syndrome (Aoki et al., 2014; Domes et al., 2014). Here, OXT is linked to schizophrenia.