have demonstrated that secretin helps to facilitate dendritic oxytocin release in the SON, and that secretin administration into the SON enhances social recognition in rodents. This enhanced social capability appears to be working through secretin's effects on oxytocin neurons in the SON, as blocking oxytocin receptors in this region blocks social recognition.

Co-existing peptides

Vasopressin neurons and oxytocin neurons make many other neuroactive substances in addition to vasopressin and oxytocin, though most are present only

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