An MTV show - titled "Exposed" and slated to join the MTV daytime lineup some time early next year-will draw on the technology to determine if participants are telling the truth about their canoodling history.

Unlike the lie detectors now in wide use, this new generation of lie detector does not depend on subjects being connected via multiple sensors.

Boy meets girl. Girl mistrusts boy. The old story takes on a new twist in a new series MTV is making that uses the lie detector gadgets once available only to the spy guys. (Getty Images)