To observe the effects of oxytocin on individuals with autism spectrum disorder according to gender, in facial recognition and eye tracking tests. The investigators will apply the nepsy and eye tracking tests before and 45 minutes after the puff with oxytocin or placebo at the dose of 0.4 IU / kg / dose maximum of 24 IU. The next week the volunteer will return and will do the same procedure because whoever took the placebo would take oxytocin and vice versa. Is a randomized, double-blind, placebo-controlled clinical trial.