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polygraph exam

Do lie detectors actually work?

A deception detection expert’s account of the polygraph exam

Is it called a lie detector or a polygraph? First created in 1921 by a law enforcement officer, the polygraph machine’s sole purpose was to track moment-to-moment physiological changes in …

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deceptiondeception detectionhow to tell if someone is lyinglie catcherlie detectorpolygraphsigns of lying

Signs of Lying

Articles About Lying

February 28, 2018 Excerpts taken from Dr. Paul Ekman’s scientific autobiography, “Nonverbal Messages: Cracking the Code” (p. 237-239) When is it a lie? Many observable signs of lying have been …

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concealed emotionsgestural slipsliarslyingmicro expressionsnonverbal communicationsigns of lying

5 Signs of Lying That Aren’t as Foolproof as You’d Think

Think you can spot a liar? Think again.

November 2, 2015 As seen on Yahoo Health by Temma Ehrenfeld Too bad every liar isn’t Pinocchio, with a tell-all nose. But do our faces give lying away in more …

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catching liarsconcealed emotionsdeception detectionnonverbal communicationsigns of lying

Catching Liars

What you need to know

August 2014 Science Fiction From a distance of twenty feet, without your knowledge or consent, the surveillance cameras, microphones and physiological sensors apply computer algorithms to process your gait, facial …

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catching liarsdeception detectionlaw enforcementsigns of lying

Increase your emotional awareness and detect deception

Learn to read and respond to micro expressions
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Dr. Ekman's Blog

Selections from popular articles
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Roots of Empathy and Compassion Cultivating Empathy and Compassion November 18, 2022

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All rights reserved.

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