It’s Not That Funny, the Chimp Is Just Being Polite

AnimalWise

“Ha ha ha,” politely hoots the chimpanzee, not exactly rolling on the floor. He’s not laughing spontaneously or for very long, but he does want to encourage his playmate to keep up the antics.

Continuing on in the spirit of last week’s post on the rodenty laughter of tickled rats, today’s post features a recent study on social laughing in chimpanzees.

As we all know quite well from experience, human laughter is a many-faceted thing. Sure, we sometimes laugh spontaneously and joyously (this is known as Duchenne laughter), but we also use our laughter as a multipurpose social tool, enabling us to establish rapport with social partners, to announce that we are nonthreatening and open to further communication, to alleviate tension and break barriers when meeting an unfamiliar face, and even to exclude others by demonstrating scorn or derision. In short, laughter sends a wide range of communicative…

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