A psychologist who has spent the last 50 years studying faces, paul ekman is a leading expert on : facial analysis and deception.
under facial analysis Ekman discovered strong evidence of universality* of some facial expressions of emotion as well as why expressions may appear differently across cultures.
In collaboration with Dr. Maureen O’Sulllivan, Ekman studied the micro-expressions displayed by people in order to detect if they were telling the truth or lying.
These micro-expressions are tiny, involuntary alterations in facial expression that can indicate anxiety and discomfort.
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