I’m summarizing polyvagal theory, originated by Dr. Stephen Porges, from a 10:48-minute video interview of him. I’m doing this for my own understanding, and I want to share because it’s a new way of thinking about traumatic responses. It has major implications for my work, and I’ve added my own comments in brackets. I am sure I will continue to refine my understanding.

Dr. Porges says that polyvagal theory is the understanding of how our body reacts to various challenges. The autonomic nervous system [involuntary, like heart beat] has evolved in vertebrates, changing and adding new circuits that function in a hierarchy. The newer circuits can inhibit older circuits. The older circuits were circuits of defense. Continue reading →