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Why do they call the lie detector test, a polygraph test?

April 26, 2017Detector lie polygraph Test

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Why do they call the lie detector test, a polygraph test?

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Lie detection commonly involves the polygraph. Voice stress analysis may also be commonly used because it can be applied covertly to monitor voice recordings. The polygraph detects changes in body functions not easily controlled by the conscious mind. These include bodily reactions like skin conductivity and heart rate. Lie detector is the common name for polygraph.