• Catching someone's yawn is linked to empathy, and psychopaths are often immune

    9 days ago - By Business Insider

    Contagious yawning has been linked to empathy.
    Psychopaths lack empathy for others as a general rule.
    A study in 2015 found that scoring highly on a checklist for psychopathy was associated with a lower chance of catching yawns.
    It's not necessarily a determining factor, but it could be a symptom.
    To determine whether someone is a psychopath, they have to score highly on tests like the Hare Psychopathy Checklist , answering questions about superficial charm, impulsive behaviour, and pathological lies.
    But there could be a simpler test: yawning.
    It's hard not to yawn when someone else does...
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