BBC NEWS | Health | Liars' brains 'are not the same'

BBC NEWS | Health | Liars' brains 'are not the same': "A University of Southern California team studied 49 people and found those known to be pathological liars had up to 26% more white matter than others.

White matter transmits information and grey matter processes it. Having more white matter in the prefrontal cortex may aid lying, the researchers said,"