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. 2020 Jul 13;10:229. doi: 10.1038/s41398-020-00921-3

Fig. 3. Oxytocin and vasopressin (OT-AVP) pathway associated with social behavior in ASD.

Fig. 3

In the hypothalamus, magnocellular neurons originating from paraventricular and supraoptic nuclei release oxytocin and vasopressin in the posterior pituitary which then goes into the peripheral circulation. Any deficiencies in oxytocin or vasopressin levels contribute to ASD’s social behavioral impairments.