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 .... In fact, the autistic children actually yawned less during the videos of ...
Mar 16, 2014 ... The study (link is external), titled “Individual Variation in Contagious Yawning
Susceptibility Is Highly Stable and Largely Unexplained by ...
Contagious yawning is associated with the same parts of the brain that deal with
... but whether or not you're susceptible to contagious yawning may actually be ...
Jun 10, 2013 ... Yawning Really Is Contagious It's true! One study found that when shown videos
of yawning, around 50 percent of people also began yawning.
The Mythbusters asked the question: Is yawning contagious? Investigate with the
Mythbusters whether yawning really is contagious.
Sep 15, 2010 ... Find out Why Is Yawning Contagious in this article. ... "The fact that autistic kids
don't do it might mean they're really missing out on that ...
Jun 28, 2013 ... Contagious yawning has been observed in humans' closest relatives, ... Along
with being contagious, yawning is highly suggestible, meaning ...
Aug 4, 2014 ... Babies, dogs, cats, birds, mice, rats and even snakes yawn, and some of us were
even doing it in the womb. Although for thousands of years ...
Jun 11, 2015 ... Yawning feels good, so why not join in when someone else yawns? Well, you're
not really “joining in,” because you aren't copying the yawn on ...