Polyvagal Theory and the science of heart rate variability share a whole body of knowledge. The whole body’s collective knowledge. Heart rate variability is the variation of the heart’s activity between the beats of the heart. It is sometimes referred to as the one window we have into the real-time activity of the autonomic nervous system (ANS). Polyvagal Theory goes well past the well-worn idea of two types of ANS activity: fight or flight (sympathetic nervous system) and rest and […]
Continue Reading