Yawning is contagious for perhaps half of all adults, but the reason why is unknown. While the common perception is that contagious yawning relates to human empathy and other socia...
Yawning is thought to cool the brain and make it more alert. Simultaneous yawning may occur when a group of people are all breathing the same warm, stale air. Or contagious yawning may have evolved to help groups remain vigilant against danger.
This "contagious" yawning has also been observed in chimpanzees, dogs, and
can occur across species. Approximately 20 physiological reasons for yawning ...
Sep 15, 2010 ... Contagious yawning gets at the ancient, deep, and subconscious roots of
empathy and social bonding. - Yawns become contagious around ...
Mar 16, 2014 ... About half of adults yawn after someone else yawns due to a universal
phenomenon called “contagious yawning.” Researchers at Duke ...
Contagious yawning is associated with the same parts of the brain that deal with
empathy, according to a recent study. Learn about contagious yawning.
Jun 11, 2015 ... What is yawning? And why do we do so much of it? Neuroscientist and yawn
expert Robert Provine says it's “ancient and autonomic.” It stems ...
Dec 10, 2014 ... Why do we yawn? The center of many a scientific study, researchers have
several theories about the science behind this contagious ...
Aug 17, 2015 ... Most people find it difficult to resist yawning when the person they are with yawns
or shows signs of being tired. Why? Contagious yawning is a ...
Jun 10, 2013 ... We all do it, and we all know it has at least something to do with how tired we feel
. But unlike sleep apnea or laptops in the bedroom, yawning is ...