Thousands of years ago, when our ancestors encountered a predatory animal like a lion, it was best to react immediately and not stand around thinking about the lion, admiring its beauty or wondering why it was bothering them instead of tracking down some tasty antelope. Thus, the fast track to the amygdala kept our ancestors alive.
John B. Arden, Rewire Your Brain: Think Your Way to a Better Life
fear, fight-or-flight-response