It turns out that people tend to 'unknowingly imitate the behavior of the other person' while lying
Research results have been announced that people tend to 'unknowingly imitate the behavior of the other person' when they lie about 'lie' that falsifies the facts in order to deceive others. The research team argues that in order to detect a lie, 'not only the person who is lying, but also the behavior of the person who can lie may be important.'
A liar and a copycat: nonverbal coordination increases with lie difficulty | Royal Society Open Science
Liars found to coordinate body movements with the person they are lying to
https://phys.org/news/2021-01-liars-body-movements-person-lying.html
'Study on lies' has been conducted for a long time because it is necessary to detect perjury and espionage contained in testimony about criminal cases. As a result, confessions such as polygraphs and thiopental, which examine whether the subject knows about specific facts from skin electrical activity, respiration, heart rate, etc., were also born, but existing research on lies has been 'lying. The main focus was on 'people.'
How much does a lie detector actually see through a lie? --GIGAZINE
An experiment conducted by a joint research team at Lancaster University and the Open University in the United Kingdom and Erasmus Rotterdam University in the Netherlands is to lie to subjects and analyze their body movements while lying. The research team gave subjects with accelerometers on their wrists, head, and torso a high-difficulty puzzle while saying, 'It's an easy-to-solve puzzle.' 'I intentionally misplaced the answer to the puzzle and showed it to the subject. I guided them to lie by a method such as 'Please keep secret that you can see the answer.'
When the subject who received this guidance was asked verbally about the difficulty of the puzzle, the subject seemed to have a tendency to 'imitate the physical movement of the questioner when lying.' Furthermore, when the subjects lied to the lie by 'difficulty of lying', it was confirmed that the more difficult it was to lie, the stronger the tendency to imitate the movement.
Regarding this result, the research team argued that 'the act of lying reduces the resources of the cognitive area of the brain, which induces imitation of the movement of others rather than voluntarily moving.' I am.
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in Science, Posted by darkhorse_log