Polyvagal Theory.
The research of Stephen Porges, PhD has re-envisioned the conventional notion of the two branch ANS (“fight/flight” vs. “rest/rebuild”) and replaced it with a new concept, the “Polyvagal Theory”. Based on his findings, he named a new branch of the ANS (hence the term ‘poly’-vagal), which he has called the Social Nervous system, made up of …