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lie detector |
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lie detectorInstrument that records graphically certain body activities, such as thoracic and abdominal respiration, blood pressure, pulse rate, and galvanic skin response (changes in electrical resistance of the skin). Marked changes in these activities when a person answers a question may indicate that the person is lying. |
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Detectives said the younger Clark, who resembled a man seen in mall security camera footage, failed a lie-detector test and confessed Monday night to the crime. Brain fingerprinting" is more accurate than a conventional lie-detector test, or polygraph, because It's a sad commentary that many retail businesses must resort to lie-detector tests in advance to help select honest clerks and employees. |
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Lie-detector
