How do polygraph tests tell the difference between a lie and genuine anxiety?

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Like – if it’s based on a person’s physiological responses, isn’t it possible that a response to a question like “did you murder your hamster” would register as a lie due to the increase in heart rate and blood pressure cause of anxiety associated with being accused of something?

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Anonymous 0 Comments

People think I’m lying anytime they ask a super serious question. Like if someone asks “did you brush your teeth?” I’ll say yes, they’ll give me a hard stare and I can’t help but break out in a big grin. WHATS WRONG WITH ME?!

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