SchoolTube Community
You've seen it in countless movies and TV shows: a suspect sweating under the pressure of a lie detector test, their fate hanging in the balance. But how accurate are these tests? And more importantly, can you beat them?
The world of investigations, from the high-stakes world of bounty hunter D Cheater investigations to the meticulous work of the Tennessee Bureau of Investigation, often relies on separating truth from deception. While polygraph tests aren't always admissible in court, they can be a valuable tool for investigators. Let's delve into the science behind these tests and explore whether they are truly foolproof.
The Science Behind the Polygraph: More Than Just a Heartbeat
Contrary to popular belief, lie detectors don't detect lies. They detect physiological changes associated with stress, which often accompanies deception. When you're hooked up to a polygraph, sensors monitor your breathing rate, pulse, blood pressure, and perspiration. The examiner asks a series of questions, some neutral (
You may also like