polygraph (redirected from Polygraph test)

polygraph /poly·graph/ (pol´e-graf) an apparatus for simultaneously recording blood pressure, pulse, and respiration, and variations in electrical resistance of the skin; popularly known as a lie detector.

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pol·y·graph (pl-grf)

n.

An instrument that simultaneously records changes in physiological processes such as heartbeat, blood pressure, and respiration.

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polygraph

an apparatus for simultaneously recording several mechanical or electrical impulses, such as blood pressure, pulse and respiration, and variations in electrical resistance of the skin.

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polygraph Lie detector A device designed to detect deception by evaluating physiologic responses to various spoken questions, measuring and recording changes in electrical and mechanical impulses in various parameters–eg, bp, respiratory rate, galvanic skin reflex