Posted by jasonzweig on Jul 23, 2008 in Blog, Columns, Featured |

Image Credit: Heath Hinegardner By Jason Zweig | July 19, 2008 11:59 p.m. ET What goes on inside your head when your portfolio implodes? One of the fear centers in your brain, the amygdala, can respond to upsetting stimuli in 12 milliseconds, or one-25th the time it takes to blink your eye. These brain cells fire when an attack dog snarls at you, a spider...