How Are Human And Great Ape Laughter Connected?

A new study published in Communications Biology has found that humans and great apes share remarkably similar laughter rhythms, suggesting the behavior originated from a common ancestor that lived around 15 million years ago.

Researchers from the University of Warwick say the findings provide new insight into the evolution of communication and the origins of human speech.

Despite differences in vocal complexity, the study found that the timing between individual laughter sounds remained consistently rhythmic across all five species, indicating a shared evolutionary foundation.

Researchers noted that while human laughter has evolved to become faster and more varied, its underlying rhythmic structure closely resembles that of other great apes.

Experts not involved in the study said the findings add to growing evidence that primates possess more sophisticated vocal control than previously believed.

Future research may examine playful vocalizations in other animals to better understand which aspects of laughter are uniquely human and which are shared across species.

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tippinsightsTIPP Staff