Psychology
8 years ago

Oxytocin Identified as Key Stress Hormone in Rats, Shifting Understanding

Neuroendocrinology
Oxytocin Unlike Vasopressin Is a Stress Hormone in the Rat
R. Lang, Jürgen W.E. Heil, Detlev Ganten, K. Hermann, Thomas Unger, Wolfgang Rascher

Paper Summary

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Oxytocin, not vasopressin, is a stress hormone in rats. When rats are physically restrained or forced to swim, oxytocin levels increase significantly while vasopressin levels stay the same. This shows that oxytocin plays a role in the body's response to stress, beyond just milk ejection and giving birth.