lie detector

(redirected from lie detectors)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to lie detectors: Lie detector test

lie detector

n.
An instrument designed to detect when a person has answered a question falsely.

lie detector

n
a polygraph used esp by a police interrogator to detect false or devious answers to questions, a sudden change in one or more involuntary physiological responses being considered a manifestation of guilt, fear, etc. See polygraph1, galvanic skin response

lie′ detec`tor


n.
an instrument that produces a record of the changes in certain body activities, as blood pressure, pulse, and breathing, which may be interpreted to indicate the truth or falsity of a person's answers under questioning.
Also called polygraph.
[1905–10]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lie detector - a polygraph that records bodily changes sometimes associated with lyinglie detector - a polygraph that records bodily changes sometimes associated with lying
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
polygraph - a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)
Translations

lie detector

lie detector

nmacchina della verità
References in periodicals archive ?
UK Lie Detector Test operates a network of highly trained professional lie detectors who are experienced in handling both commercial and private clients with the utmost discretion.
Jason Hubble, owner of Lie Detectors UK and the examiner who administered Martin's test said: "All the questions are largely the same but worded slightly differently, all about 'striking that man'.
Although widespread in the USA, lie detectors have never before been used on sex offenders in the UK.
provides a social history of lie detectors and other truth-telling machines, uncovering the ways in which the mechanical determination of truth has manifested in popular culture and become embedded in our psyche.
Now lie detectors are by no means perfect but they could actually help the innocent clear their names.
Jambos owner Vladimir Romanov recently caused a stir by claiming the club used lie detectors to flush out "suspicious people".
Known collectively as voice stress analyzers, these next-gen lie detectors aim to tease out truth by reading consistent changes in speech that occur when someone is lying--a signature that acoustics researchers say may not exist.
The court directed the federal government to prepare a feasibility report and allocate special funds for the purchase of modern devices like lie detectors in order to introduce modern technology to the resolution of cases.
If lie detectors can detect benefit fraud, then why not look at the application of the technology in absence management?
A LIE detectors aren't accepted as evidence in our lawcourts because they are so unreliable - and what if a faulty test said you were guilty?
An entry on the TUC website, headed lies, damned lies and lie detectors, warns: "The most fundamental problem is that lies are psychological, not physiological phenomena.
And yet, as Ken Alder shows in his revealing, colloquial social history The Lie Detectors, by the time scientific scrutiny finally caught up to the scientistic ambition of the device in the late 1980s, generations of Americans had been seduced by it.