lie detector

Noun
  1. A polygraph that records bodily changes sometimes associated with lying (synset 103667778)
    is a type of: polygraph - a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)
    has: electrical skin response, electrodermal response, fere phenomenon, galvanic skin response, gsr, psychogalvanic response, tarchanoff phenomenon - a change in the electrical properties of the skin in response to stress or anxiety; can be measured either by recording the electrical resistance of the skin or by recording weak currents generated by the body

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