Polyvagal theory is the most important contribution to psychology since the Sermon on the Mount. Polyvagal Theory was created by Dr. Stephen Porges, PhD and then brought to the world by Deb Dana, LCSW. This video helps you understand Polyvagal 101… and this is how your nervous system works. Where do you spend most of your time? In red (dorsal) In yellow (sympathetic) In green (ventral) The goal is for ventral to hold hands with dorsal and sympathetic. Or… the goal is for green to hold hands with