Evolution and your nervous system: Why we need Trust, Respect, Acceptance to feel safe-The basis of Attachment theory.
Dorsal vagus nerve-Oldest nerve, unmyelinated nerve feels like walking in mud. At the top it is procrastination, then avoidance, then mild depression, then major depression or trauma.
Sympathetic- Myelinated, much faster, Starts with mobilisation moving forward, but can lead to fight [anger and abuse] or moving backwards, flight, can lead to anxiety.
Ventral vagal- Produces calm and social engagement, creating safety with others, which was original purpose.