Horrordisplays - Display of Horror & Conspiracies on Instagram: "Polygraphs (lie detectors) don’t detect “truth” or secret affiliations — they measure physiological responses like heart rate, breathing, and skin conductivity. Those signals reflect stress or arousal, not honesty. Nervousness, humor, sarcasm, surprise, or even the pressure of being filmed can all cause spikes. That’s why polygraph results are widely considered unreliable and are often inadmissible in court. A reaction during a jok