Many people mistakenly think that our running like the wind reaction to bumping into an angry gorilla is due to our emotions, such as fear. Yet, it was an idea—information received from the outside world and evaluated by the prefrontal cortex and other structures, which sparked the emotional and physical reactions. It was basically an idea or belief, which caused your emotion of scared you out of your wits. In short, when you were in the mall you reacted to what you thought, believed or imagined the environment to be.