The interoceptive model is shifted into fight mode by the amygdala and the fear and anger responses are produced in the cortex. The range of anger will depend on the way these models compete for dominance. If you see an angry person red in the face for example, the flight or flight phase has passed into indignation because blood drains from the face in preparation for muscle action. Anger can also be triggered purely by conscious thought, not requiring a physical stimulus such as a tiger or a loud noise. However an over active amygdala can also present as sudden and inappropriate anger. That's not healthy and maybe part of ptsd for example.
sicut vis videre esto
When we realize that patterns don't exist in the universe, they are a template that we hold to the universe to make sense of it, it all makes a lot more sense.
Originally Posted by Ken G