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thenewgreen · 4827 days ago · link · · parent · post: New camera system monitors tiny changes in facial expressions to detect lies
Hollywoods depiction of polygraph testing leads me to believe that they are largely based on fluctuations in heart rate and respiratory rate. Is this right? If so, I think that if I were in a situation that required I take a lie detector test, I imagine my heart would be all over the map, as would my breathing. This has always been a secret fear of mine, to be falsely accused of something heinous and not be able to repudiate it because I failed some lie detector test.