Microexpressions Training Best -

Microexpressions, Ekman argued, occur when a person is consciously trying to conceal an emotion. The "leakage," as he called it, happens so fast that it bypasses the conscious control of the person lying. It is the brain’s way of screaming the truth while the mouth whispers a falsehood.

Studies have shown that while training improves a person's ability to name the expression, it does not necessarily improve their ability to detect lies in a real-world context. The "context" is often missing. A flash of disgust could mean a person hates you, or it could mean they just remembered they left the stove on, or they have a stomach ache. microexpressions training