“Lie detector” is merely a colloquial term in society describing the polygraph. Although in popular culture the polygraph is often portrayed as an infallible lie detection device, in reality its operation is much more complex.
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The head of the legal services office “A lex,” polygraph examination specialist Aleksandras Kovalenka, has been conducting polygraph examinations for about two decades, of which he worked intensively in this field for about 16 years. He is the author or co-author of several dozen scientific articles, as well as co-author of the book on lie detection with a polygraph “Lie detection with polygraph.”
“A lie detector can be a person or software. Today we are talking about the polygraph, which is a medical device that measures certain human physiological indicators and their changes,” the expert explained to 15min.
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Meanwhile, doctoral student and neuroscientist Igoris Nagula from Vilnius University (VU) Life Sciences Center emphasized that this device does not directly measure either lies or brain activity.
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