polyvagal

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English[edit]

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Etymology[edit]

poly- +‎ vagal

Adjective[edit]

polyvagal (not comparable)

  1. Of or relating to a theory that specifies two functionally distinct branches of the vagus, or tenth cranial nerve: a primitive branch eliciting immobilization behaviors (e.g. feigning death) and a more evolved branch linked to social communication and self-soothing behaviors.