OXT and autism: As a neurotransmitter, it has been found to play a key role in regulating mammalian, including human, social affiliation, such as sexual behavior and mother-infant and adult-adult pair-bond formation.7–10 Research in healthy humans has shown that intranasal administration of oxytocin impacts multiple social and emotional behaviors in a prosocial, pro-affiliative way, leading to an increase in trust, empathy, and eye contact.11–17 Studies on autism, a neurodevelopment disorder particularly linked with social dysfunction, have been equivocal.18–23