Porges Polyvagal Theory: The Six States of the Autonomic Nervous System
Polyvagal Theory was introduced by Stephen Porges, PhD focuses on the role of the autonomic nervous system, particularly the vagus nerve, as it relates to the physiological/psychological states related to our daily behavior. There are three defining principles (Polyvagal Institute, n.d.):
Hierarchy of the Autonomic Nervous System (ANS) per Polyvagal Theory (PVT)
Neuroception
Co-regulation