Two companies, Cephos Corp. and No Lie MRI Inc., have developed lie detection technology that relies on brain scans. The technology is called functional magnetic resonance imaging, or fMRI.
Don't get totally creeped out or become afraid that "Big Brother" will have greater access to your thoughts. As the article states:
"Nobody really knows yet whether it will prove more accurate than polygraphs."
Still, expect extensive debate between scientists, law enforcement officials and civil libertarians.