Powerful Lies, by Dana Carney, Columbia University, Jan. 22, 2010
Most people become stressed when lying, but new research shows that people with power feel just fine when lying — and are better at getting away with it.
Lying is costly, extracting physiological and cognitive tolls from most people. The body of research on lying consistently shows that people become stressed when they do not tell the truth. The speed with which they process information slows down, possibly because lying requires keeping track of the lie and the truth while simultaneously trying to suppress nervous habits or other signs that might give the liar away. (So-called lie-detector tests, or polygraphs, can’t actually determine if people are lying, but they can identify signs of physiological stress that are consistent with lying.) read more