Primate Rescue Center

Chimps, Too, May Use Laughter For Social Gain

April Truitt March 03, 2011

Just like humans, chimpanzees mimic the laughter of others in order to strengthen social bonds, say researchers who studied 59 chimpanzees living in four groups in a sanctuary in Zambia.

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Their finding suggests, they say, that chimpanzees and other great apes have a more complex social use of expressions than previously thought.

"We found that their responsive laughter shows a similarity to the conversational laughter of humans," the study's lead author, Marina Davila-Ross, a behavioral biologist at the University of Portsmouth, in England, said in a university news release. "Both are shorter than spontaneous laughter, and both seem designed to promote social interaction."

Read more at US News & World Report

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