Who Needs a Brain When You Have Adrenaline?
Let’s say you are about to speak in front of 250 people. You have prepared for this speech with great effort. You have every word memorized and you know exactly what you want to convey. They announce your name, you step to the podium, and your mind goes blank.
Your amygdala has just sent a flight message to your adrenal glands and half the blood supply in your brain is flowing to the major muscle groups in your body, which leaves you functioning on half a brain.