The Science of Being Completely Full of It

“In 2005, researchers at the University of Southern California found the first evidence of brain abnormalities in pathological liars — the prefrontal cortex is always very active when people are telling lies, but their study found that liars had 25 percent more white matter, and 14 percent less gray matter, in their prefrontal cortex than non-liars, suggesting there can be a physiological predisposition to being a bullshit artist.”