The most common method of lie detection involves using a polygraph, which measures arousal in the body's ________ system.

Question

Quizplus · Accepted Answer

The sympathetic nervous system is responsible for the body's fight or flight response, which is activated during times of stress or when one is lying. The polygraph measures changes in heart rate, blood pressure, and other physiological responses that are indicative of activation of the sympathetic nervous system.

The Most Common Method of Lie Detection Involves Using a Polygraph