The Body Language of Liars. This is the title of a book written Lillian Glass, respected behavior analyst and expert on body language who used to work for the FBI and currently works as a law consultant and advisor in the field of nonverbal communication. The book was published also in Czech as "Lháři a jejich řeč těla" (BizBooks, 2014). The readers learn that it is possible to deceive almost anyone regardless of age or intelligence. Numerous photos of celebrities demonstrate how lying is shown in our body language.
Basic physical signs of lying according to Lillian Glass' findings were recently published on the Business Insider website. Let's have a look at the most typical ones.
Body language
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A sudden rapid movement of the head in response to a direct question.
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Heavy breathing, shoulder movement upwards and a shallow voice.
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Stiff upright posture without any movement.
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Covering or touching the mouth.
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Instinctive covering of vulnerable parts of the body such as the chest, abdomen or head.
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Nervous feet tapping.
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Staring without blinking.
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Frequent finger pointing at someone or something else.
Voice
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Difficulties with speaking which becomes more and more difficult. Lip biting or suddenly pursed lips.
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Repeating the same words and phrases.
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Sharing too much information including details nobody asked for.
The book
GLASS, Lillian: The Body Language of Liars. Pompton Plains, NJ: Career Press, 2013. 224 p.
GLASSOVÁ, Lillian: Lháři a jejich řeč těla. Prague: BizBooks, 2014. 200 p.
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