A polygraph(Lie Detector) (popularly referred to as a lie detector) measures and records several physiological indices such as blood pressure, pulse, respiration, and skin conductivity while the subject is asked and answers a series of questions. The lie detector test records changes in a person’s physiological makeup during questioning. An examination is a combination of a psychophysiological testing technique and an interview.
A polygraph(Lie Detector) (popularly referred to as a lie detector) measures and records several physiological indices such as blood pressure, pulse, respiration, and skin conductivity while the subject is asked and answers a series of questions. The lie detector test records changes in a person’s physiological makeup during questioning. An examination is a combination of a psychophysiological testing technique and an interview.