The zygomaticus major muscle is a muscle that controls facial expression, drawing the mouth’s angle upward and outward. The zygomaticus major muscle starts at the cheekbone and extends to the corner ...
Researchers from HSE University and MEPhI have analysed which physiological indicators recorded when watching a movie can predict the audience's assessment. It turned out that the activity of ...
Genuine smiles activate both mouth and eye muscles, while fake smiles involve only the lips, revealing emotional authenticity through facial cues.
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