I recently posted an entry about a new study taking place at Rutgers University. The post describes how researchers have found the small cluster of cells inside the brains amygdala that directly controls fear and anxiety. As a result of writing about that I wanted to evaluate the amygdala itself. When you have a first response of fear and anxiety it is instantaneous. You go from normal to very afraid in what seems like nanoseconds. What is going on in the brain when this happens? What fires the emotional trigger that sets you on a course