Polyvagal Theory: Debunked, Misunderstood, or Clinically Valuable? A Definitive Guide for Therapists and Clinical Supervisors

Polyvagal theory has become one of the most widely used frameworks in trauma-informed therapy—but recent research has challenged its scientific validity. So what’s actually true?

In this in-depth guide, we break down the latest evidence, the “debunking” claims, and the responses from leading researchers. More importantly, we explore what this debate means for therapists, clinical supervisors, and CRPO supervision in real-world practice.

If you’re trying to decide where you stand on polyvagal theory, this is the article that brings clarity, nuance, and clinical wisdom.