How to induce fear in "fearless" people

The amygdala is popularly referred to as the brain's "fear center," due to the central role it plays in regulating the body's fear response. So pivotal is this small, almond-shaped structure's involvement, that S.M. (a woman whose amygdala has been ravaged by a rare condition known as Urbach–Wiethe disease), has been… » 2/04/13 6:40am 2/04/13 6:40am

How scientists discovered the "fear center" of the brain

Fear is one of the most universally understood human emotions. Every one of us is familiar with the feelings, behaviors, and symptoms engendered by fear — so familiar, in fact, that we can sense it in the voices and actions of our friends and loved ones, and even recognize it in the facial expressions of complete… » 10/12/11 9:00am 10/12/11 9:00am