Researchers studied the behavior of captive apes to learn more about their laughter. A total of 13 apes were involved in the study, which included various species. The study's findings are based on recordings made during the research.

Further details about the study can be found through local news sources. In Tomball, residents can find more information about this research through KPRC 2, a local news provider. The study's results suggest a connection between human and ape laughter, but for more specific information, readers should consult the original report.