polygraph

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polygraph

an instrument for the simultaneous electrical or mechanical recording of several involuntary physiological activities, including blood pressure, skin resistivity, pulse rate, respiration, and sweating, used esp as a would-be lie detector
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Polygraph

 

a multichanneled oscillograph for simultaneously recording readings of several physiological functions, such as respiration, blood pressure, brain and muscle bioelectricity, and motor reactions. The most common type is the general-purpose polygraph, a multichanneled oscillograph that records with ink various bioelectric and nonelectric processes by means of appropriate biological sensors and adapters. The polygraph is used in physiological experiments to investigate interacting and interdependent bodily functions; it is also used in clinical diagnosis.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

polygraph

[′päl·i‚graf]
(engineering)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The polygraphic machine is a US manufacture one and Forensic Science Laboratory (FSL) would try to get it repaired at the earliest.
Whereas polygraphic lie detection rests on the flawed premise that emotionality discloses lying (a premise refuted by me and others in articles appearing in Nature, Harvard Business Review, and American Psychologist), honesty testing assumes that admitting to past sins predicts sinfulness.
MULTAN -- City Police brought back main accused of Qandeel Baloch's murder case, Waseem from Lahore to here after conducting DNA and Polygraphic test.
remand, polygraphic test and DNA test of the accused will also be conducted.