Science
Great apes and humans share rhythmic laughter patterns dating back 15 million
A study identifying shared rhythmic structures in the laughter of humans and great apes suggests our vocal control evolved gradually over millions of years.
Topic
great apes
Science
Great ape laughter reveals 15-million-year-old roots of human speech
University of Warwick researchers found that rhythmic patterns in great ape laughter provide a vocal fossil for the evolution of human vocal control.
Science
Ape and human laughter study finds shared rhythmic origins in tickle tests
A study of humans and great apes has found that rhythmic laughter is an ancient, shared trait that evolved 15 million years ago. Researchers used tickle-induced vocalizations to uncover the biological roots of our vocal control.