There is no cause for worry, whether things go well or ill. More on theory thoughts and feelings about panic attacks Amygdala and hippocampus are the anxiety-initiating parts of the brain. Most of us eat far too many over processed carbohydrates. Although most people mistakenly think that panic attacks and anxiety attacks are the same thing, they are different in key ways. Sometimes panic disorder can be so severe that the individual is certain that they are going to die immediately.