Just about everyone you know tells low-stakes lies, but some people even go so far as to lie about important matters that could forever change their relationships, end their employment, or even send them to jail. Detecting high-stakes liars is often the work of the FBI, and they frequently look to facial expressions, body language, and verbal indicators as signals, or "tells," that someone is lying. But being able to read facial expressions to detect lies can be beneficial even if you're not conducting criminal investigations, he says. To start, he says it's important to understand how the person in question normally acts. Bouton says exceptions to the usual blink rate mostly have to do with production of dopamine in the body. For example, a person with Parkinson's disease will have a noticeably slower blink rate than what is usual, while a person with schizophrenia will blink more rapidly than normal.
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It is often claimed that even the most stone-faced liar will be betrayed by an unwitting eye movement. But new research suggests that that "lying eyes", which no fibber can avoid revealing, are actually a myth. Verbal hesitations and excessive hand gestures may prove a better guide to whether a person is telling untruths, according to research conducted by Professor Richard Wiseman. Many psychologists believe that when a person looks up to their right they are likely to be telling a lie. Glancing up to the left, on the other hand, is said to indicate honesty. But the experts are wrong, according to Professor Wiseman and his team of researchers, who tested whether eyes really can reveal lies.
You can tell someone's lying to you by watching their face — here are 12 dead giveaways
There are many facial signs that are likely indicators of deceptive hot spots. Now that you know what facial expressions to look for in a liar, learn more about body language cues that can help you detect deception. Kelly J. Todd is a managing member and the member in charge of forensic investigations at Forensic Strategic Solutions. FSS was hired by a company to perform a vulnerability assessment to determine if cash flow shortages were the result of financial mismanagement or asset misappropriation.
November 2, As seen on Yahoo Health by Temma Ehrenfeld. But do our faces give lying away in more subtle ways?