A Shared Laugh Rhythm Links Humans and Apes Across 15 Million Years of Evolution

New Research on Laughter in Humans and Great Apes

According to НВ — Техно: Scientists have discovered that the laughter of humans and great apes follows a similar rhythmic pattern, pointing to a common evolutionary origin stretching back roughly 15 million years. The study analyzed recordings from experiments where 13 captive apes were tickled, alongside fresh recordings of 4 young children also being tickled during play at home.

'Humans and other great apes have been laughing in comparable ways for about 15 million years.' Chiara De Gregorio, primatologist at the University of Warwick

This finding highlights the deep evolutionary ties between people and their closest animal relatives. Researchers observed that laughter in both children and apes features regular intervals between individual sounds, forming a distinct structure.

Animal communication specialist Brittany Florkiewicz from Lyon College, who was not involved in the study, noted that 'different species developed their laughter based on the demands of their social lives.' This suggests laughter is not just an expression of joy but also serves key social functions in communication among individuals.

Why This Research Matters

While many animals produce sounds resembling laughter, none are as similar to human laughter as those of great apes. This study opens new avenues for understanding how communication evolved between humans and animals, underscoring the role of social bonds in shaping behaviors like laughter. The research was published on June 29 at 11:00 AM, with Science Alert as the source.

The work holds significant scientific value, as it helps clarify how evolutionary processes have shaped social behavior in both humans and animals. Identifying shared traits in laughter may point to profound evolutionary links between humans and their ancestors, paving the way for further studies in evolutionary biology and zoology.

Understanding laughter's evolutionary roots can shed light on broader communication patterns among species. For those interested in exploring how animals convey messages across different species, a recent study reveals fascinating insights into the communication methods of various creatures. Discover more about these findings in our article on animal communication.