OXT and psychotic disorder: In this review, Bartholomeusz and colleagues [136] summarize the behavioural effects of oxytocin in schizophrenia-spectrum disorders: It comprises six studies that analyze the effect of a single-dose intranasal oxytocin on complex SC process, including social perception and ToM and interpersonal perception; ten trials in which short-term treatment (2–8 weeks) with twice-daily intranasal oxytocin is compared to the placebo; and one study [103] in which a 6 week daily intranasal treatment is combined with social cognitive training in an early psychosis sample.