Because a new study finds that
human yawning can induce yawning in dogs.
Whatever the purpose of a spontaneous yawn — and this remains hotly contested — the most extraordinary property of
human yawning is its contagiousness.
Not exact matches
Bergson's philosophy sprang, he tells us, from an analysis of Herbert Spencer's First Principles, undertaken to update and clarify Spencer's physics — particularly his concepts of space and time.5 The young philosopher was astonished to discover, through this analysis, that there is a
yawning chasm between the time physicists use and the time
human beings (including physicists) experience.
There is a contemporary ring about William Alger's words penned a century ago: «Alas, how widely
yawns the moat that girds the
human soul!
The gaping chasm between God and
human beings — which
human reason has perceived and before which it has trembled — has been bridged by this infant's merest
yawn.
These babies» brains showed more activation when they heard emotionally neutral
human sounds, such as coughing, sneezing, or
yawning, than when they heard familiar non-
human sounds like their toys or running water.
«
Human expressions such as
yawn, sneeze, or giggle were used for earlier pieces.»
Story number 2: Contagious
yawning, where you
yawn because you see your friend
yawn can only occur in
humans and other primates such as chimps.
Yawns are notoriously contagious in
humans and in other social animals, especially primates.
The study is «superb» says Gordon Gallup, an evolutionary psychologist at the State University of New York in Albany who has worked on
yawning in
humans.
Many animals
yawn, but only
humans and a few other primates are known to trigger cascades of
yawns around a group.
In
humans,
yawning has been thought to do various things, including cooling the brain, increasing arousal when you're sleepy and, possibly, helping to synchronize group behavior.
Catching a glimpse of a colleague
yawning during an important meeting is enough to have most
humans fighting to stifle a gape.
«These data are highly reminiscent of the contagious
yawning effects reported for
human,» the authors write in Biology Letters.
In 2008, he showed that dogs can catch
yawns from
humans.
Humans and adult chimps seem more likely to catch a
yawn when the original yawner is someone they know, but experiments in puppies have not found the same familiarity effect, and the researchers didn't see this in budgies either.
The only other species shown to
yawn contagiously are
humans, chimpanzees and a type of rodent called the high -
yawning Sprague - Dawley rat.
Among the 24 species analyzed, mice had the shortest
yawns — lasting less than a second — and
humans the longest, clocking in at more than six seconds long on average.
But such events have raised scientific questions about why
humans can't control behaviors such as laughing,
yawning, coughing and shivering — and why they spread among groups of people.
A paper in 2014 published by Duke University researchers, for example, analyzed various factors that influenced
yawning among more than 300
human volunteers.
Contagious
yawning in
humans has not yet been tested for biases, including social closeness [11] and ingroup - outgroup bias, but we would expect similar responses.
By the time Almost
Human kicks into its Cronenberg-esque climax, the film has generated more
yawns than thrills.
The market
yawns, then saunters over to the RDX sitting nearby in the (usually totally empty of
humans) Acura showroom floor.
Everyone knows
yawns can be contagious, but a new study shows how the irresistible impulse to
yawn can even spread between
humans and their dogs.
Lead scientist Dr Teresa Romero, from the University of Tokyo, said: «Our study suggests that contagious
yawning in dogs is emotionally connected in a way similar to
humans.
And unlike
humans, cats do not
yawn when they're tired — instead, this is usually a sign that they are stressed or anxious about something.
This appeasement behavior is similar to the nail - biting habit in nervous
humans, so you may witness continuous
yawning when your dog is at the vet or in another stressful situation.
It tells us
humans are emitting CO2 and that evidence shows that this is at least part of the reason that atmospheric CO2 levels are rising (
yawn!).
Yes,
yawning is contagious, but according to a study from the University of Tokyo, not only do dogs
yawn contagiously, but their
yawning doesn't seem to be a sign of stress, and, like
humans, they are more likely to
yawn with someone with whom they are emotionally bonded.