The Science Behind Lie Detector Tests: How Polygraphs Work and Their Reliability
Introduction: The Human Fascination with Truth and Deception Throughout history, humans have sought ways to distinguish truth from lies. From ancient trial-by-ordeal rituals to modern courtroom cross-examinations, the desire to detect deception has persisted across cultures and time. In the contemporary world, lie detector tests—more formally known as polygraphs—are among the most well-known tools used…