This video footage was designed to generate an emotional or unemotional response. al recorded videos of individuals being either truthful or deceptive. These microexpressions were once thought to be an effective method to detecting deception, yet this new study suggests that subtle expressions, not microexpressions, could be the key to catching liars. Many people know that microexpressions are hidden signs of emotions that are uncontrollable and last a fraction of a second. New research in a paper called Detecting Deception from Emotional and Unemotional Cues by Gemma Warren, Elizabeth Schertler and Peter Bull suggests that subtle expressions, not microexpressions, could be a more accurate tool in detecting deception.
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