Questions tagged [lie-detection]

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Did the inventor of the polygraph regret inventing it?

In Season 1 Episode 4 of Adam Ruins Everything Adam Conover says this about John Augustus Larson commenting on the polygraph machine, [Larson] would go on to regret inventing it. Larson became so ...
4
votes
0answers
241 views

Does voice stress analysis work for Lie Detection?

There seem to be many Voice Stress analysis software available. Does vocie stress analysis work for lie detection? How reliable is it? The first one I found was a Skype plugin http://kishkish-lie-...
4
votes
1answer
5k views

Could white spots under fingernails be an indicator of recent lies?

I heard it said that you could tell if someone had lied recently by looking at their fingernails. White spots indicated lies, with supposedly bigger spots indicating bigger lies. I've observed white ...
45
votes
1answer
2k views

Do involuntary “microexpressions” betray liars?

I believe that it is Paul Ekman who is primarily responsible for suggesting that when people lie, their faces exhibit fleeting "microexpressions" that reveal their underlying beliefs. It would be a ...
48
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1answer
3k views

Do polygraphs (lie-detectors) work?

Polygraphs are often used in fiction, but also sometimes in court or by government agencies and corporations. Physiological reactions from the subject are recorded and an operator interprets them to ...