Anger
According to Dr. Ekman, anger is the easiest microexpression to spot in a human. There are several muscles that can clearly show if a person is angry. An angry person will primarily have narrow tensed lips and downward-slanted eyebrows drawn closer than usual. Anger is a very strong emotion but humans can still hide this expression with their faked macroexpressions. However, if carefully observed, in a fraction of a second this expression will manifest on one's face before being hidden. Since the window of opportunity in identifying anger may be so small, social engineers will reinforce their ability to spot it. They do this by teaching themselves how to reproduce the anger expressions so that they can easily detect them and also be ...
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