Robot Yawns Spark Contagious Yawning in Chimps

Summary: Chimpanzees have been observed yawning and lying down after seeing a humanoid android mimic a yawning facial expression, indicating contagious yawning triggered by an artificial agent. This study is…

What Makes Yawning Contagious? – Neuroscience News

Summary: Yawning is a universal behavior observed in many species, but why do we tend to yawn when someone else does? While the idea that yawning increases brain oxygenation remains…