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