Polygraph tests can supposedly detect when a person is lying. But how can a machine do that, and can we really trust the ...

A man claiming to be a time traveler from 2045 has made a series of chilling predictions about the future — including alien ...

All polygraph questioning techniques that aim at some form of standardization or reproducibility involve comparisons of physiological responses to questions of central interest for the investigation ...

The Lohagad Fort murder investigation has revived debate over the use of polygraph tests in criminal investigations ...

Add Yahoo as a preferred source to see more of our stories on Google. A recent polygraph test taken in Orange County, Calif., has brought the validity of polygraphs — also called “lie detector tests” ...

An examiner keeps an eye on how various measures change in response to particular topics or questions. Credit: DENker/Wikimedia Commons Attorneys for Christine Blasey Ford, the woman who's accused ...

The polygraph is not a lie detector but rather an instrument that measures a person’s physiological changes to questions posed by the examiner. An elevated physiological response to a particular ...

The polygraph (lie detector) is a good example of a test that was once seen as both valid (measuring what it is supposed to measure) and useful. But, modern research on the polygraph has revealed that ...

Pune Rural Police seek court nod for a polygraph test on Siya Goyal in the Ketan Agarwal murder case, probing conflicting statements and legal limits of lie tes ...

The polygraph, known more commonly as the “lie detector,” has a long and controversial history as a forensic tool, but it has also been used in a variety of other contexts, including employment ...