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Lie detection is an assessment of a verbal statement with the goal to reveal a possible intentional deceit. Lie detection may refer to a cognitive process of detecting deception by evaluating message content as well as non-verbal cues. [ 1 ]
As "Prospects of fMRI as a Lie Detector" [9] states, fMRIs use electromagnets to create pulse sequences in the cells of the brain. The fMRI scanner then detects the different pulses and fields that are used to distinguish tissue structures and the distinction between layers of the brain, matter type, and the ability to see growths.
The lie catcher must make an effort to consider the possibility that a sign of an emotion is not a clue to deceit but a clue to how a truthful person feels about being suspected of lying. [1] When analyzing the body language of another, one must ascertain if the emotion sign of emotion is a fear of being caught lying or a fear of being falsely ...
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American inventor Leonarde Keeler testing his improved polygraph on Arthur Koehler, a former witness for the prosecution at the 1935 trial of Richard Hauptmann. A polygraph, often incorrectly referred to as a lie detector test, [1] [2] [3] is a pseudoscientific [4] [5] [6] device or procedure that measures and records several physiological indicators such as blood pressure, pulse, respiration ...
The system claims to avoid numerous problems with previous lie detection devices by using an artificial neural network. [2] Polygraphs are used under the hypothesis that most people do not lie or deceive without some feelings of anxiety or nervousness.