If you see or hear someone yawn, you might suddenly feel the urge to do the same, thanks to a well-studied phenomenon known as “contagious yawning.” Now, new research suggests urination may function ...

However, unlike yawning, social proximity was not the determining factor in which chimpanzee followed another in urination. The term "Tsureshon" in Japanese refers to the act of urinating in a ...

Instead of urinating alone, the chimps appeared to urinate together, at around the same time, with one chimp initiating the behavior and other chimps continuing it. Calling the behavior contagious ...

Social closeness, measured by time in close proximity and grooming with another chimpanzee, had no effect on the peeing phenomenon — unlike with social yawning, which increases in socially ...

The closer a chimp was to someone who has just urinated ... we drew parallels to contagious yawning, another semi-voluntary physiological behavior. 'Based on this, we initially expected that ...

The likelihood of contagious urination also increased if a chimpanzee was physically closer ... we drew parallels to contagious yawning, another semi-voluntary physiological behavior,” Onishi ...

They observed captive chimpanzees living at the Kumamoto Sanctuary for hundreds of hours, noticing that when one chimp decided to ... like contagious yawning or contagious scratching, and decided ...

It appears that when a chimpanzee starts to urinate ... expected that any social influences might resemble those seen in yawning – such as stronger contagion between socially close pairs.