A polygraph machine is sometimes called a "lie detector." This would be an incorrect moniker. The best nickname for the polygraph test would be ____________.
A) a potentiation detector
B) a parasympathetic detector
C) an amygdala detector
D) an emotions detector

Question

Quizplus · Accepted Answer

A polygraph machine measures physiological responses (such as blood pressure, pulse, respiration, and skin conductivity) that are believed to change when a person is lying, essentially detecting emotional responses rather than lies directly.

A Polygraph Machine Is Sometimes Called a "Lie Detector