Farwell "brain fingerprinting" is a investigative technique that involves flashing images and words on a screen to a subject and measuring P300 brain wave responses which are produced when recognizing something familiar.- Category ID : 428459
As polygraphs become increasingly controversial, sparking a cottage industry on how to "beat" the test, scientists are hunting for new high-tech ways of solving the most ancient of human dilemmas: How do you tell if someone is lying?