Nothing to Yawn About?

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posted:4/2/2011
language:English
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Description: Scientists discovered in experiments that the prefrontal cortex, the part of the brain associated with personality and social behavior, activates when a person watches another yawn.4 And numerous studies prove that contagious yawning in humans occurs immediately after people see, hear, or read about someone yawning.5 What's more, 60 percent of the time witnesses will yawn after another has done so or talked about having done so.6 Inversely, subjects in experiments suppress yawns if participants know they are being watched/ Empathy only goes so far when self-consciousness is thrown into the mix, I suppose.
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