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Scrutinizing Faces Might Catch Liars, Study Finds
Date:7/20/2011

ing because being dishonest raises a person's cognitive load, inhibiting their ability to interact with others successfully and naturally.

Despite these findings, the majority of participants believed they effectively controlled their expressions during their interrogation.

"Whether we are dealing with highly skilled and motivated liars who have practiced their nonverbal expression in high-stakes scenarios, or untrained individuals who learn from a television program about a particular brow or lip movement that is allegedly a telltale sign of deception," concluded Frank, "the findings of this study have important implications for security settings."

The study's findings were published earlier this year in the Journal of Nonverbal Behavior.

More information

The American Psychology Association provides more information on lie detection.

-- Mary Elizabeth Dallas

SOURCE: University of Buffalo, news release, July 13, 2011.


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