The document discusses micro-expressions, which are brief involuntary facial expressions that reveal concealed emotions. It notes there are seven universal emotions that can be detected from micro-expressions, including distress, effort to block an unwanted sight, and needing air. It provides examples of micro-expressions like a clenched jaw meaning distress. The document seeks to teach people to detect lies from micro-expressions, like when a person touches their neck near their artery or makes two mouth shrugs with no confidence in their words.
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