How do lie dectors work | ChaCha Answers

To do this, a polygraph monitors, apparently with high accuracy, respiratory rate, heart rate, blood pressure and electrodermal response (a method to detect tiny changes in perspira. 1 hr 40 min ago. Comments. No comments yet. + Post a Comment. Search. Related Questions. Can you cheat on a lie dector test · Is there anyway to pass a lie dector test · Where can I get a lie dector test done in southern indiana · Can you take a lie dector test over phone ...