How Polygraph Tests Actually Work #sciencefacts #science #scienceexplained
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How Polygraph Tests Actually Work #sciencefacts #science #scienceexplained
Polygraphs measure physiological responses like heart rate, blood pressure, and galvanic skin response rather than deception itself which makes them unreliable indicators of truth in forensic science. The machine essentially detects anxiety or fear rather than lies and allows sociopaths to pass while nervous innocent people often fail the ...
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