The few previous studies testing whether or not microexpressions are indicators of deception have produced equivocal findings, which may have resulted from restrictive operationalizations of microexpression duration. In this study, facial expressions of emotion produced by community participants in an initial screening interview in a mock crime experiment were coded for occurrence and duration. Various expression durations were tested concerning whether they differentiated between truthtellers and liars concerning their intent to commit a malicious act in the future. We also compared expressions occurring between 0.
Microexpressions Are Not the Best Way to Catch a Liar
Face | Liespotting
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.
Microexpressions are lauded as a valid and reliable means of catching liars see Porter and ten Brinke, However, there are many reasons to question what I will call microexpression theory MET. For MET to be supported, several propositions must hold true: One, deception produces internal negative emotional experiences. Two, these internal experiences have associated outward expressions, including microexpressions. Three, microexpressions are uncontrollable.