When you see someone yawn, you probably yawn, too. But that's not the case for everyone. As it turns out, psychopaths are unaffected by contagious yawning.
Psychopaths and Yawns
So Is Yawning At Someone a Psychopath Test?
Explaining the Empathy Switch in Psychopaths
How are psychopaths able to either ignore empathy or switch it off like a light?
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Written by Curiosity Staff December 9, 2016
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