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.
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.
«To date, this is the first experimental evidence of
contagious yawning in a non-mammalian species.»
My colleagues and I have found that silent videos of yawning people trigger
contagious yawns in about 55 per cent of observers within five...
Not exact matches
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.
«Our data suggest that
contagious yawning is a by - product of the ability to conceive of yourself and to use your experience to make inferences about comparable experiences and mental states
in others,» Gallup told New Scientist.
Now a research team led by James Anderson at the University of Stirling
in the UK has shown that chimpanzees also perform «
contagious yawning».
Unpublished work shows their
yawns are more
contagious after a sudden loud noise, suggesting
yawning might help coordinate group alertness
in the face of a threat.
In research on people, those subjects that perform
contagious yawning also recognise images of their own faces and are better at inferring what other people are thinking from their faces.
This would mean that
in order to have a
contagious yawn, the animals involved would have to be capable of empathy, of fellow feeling.
«These data are highly reminiscent of the
contagious yawning effects reported for human,» the authors write
in Biology Letters.
«
Contagious yawning by itself is not exactly empathy, but it hints at the tendency to mimic and synchronise with the bodies of others,» says Frans de Waal of Emory University
in Georgia.
In the brain, the hypothalamus has been linked to behaviors that are known to be socially
contagious, such as
yawning, laughing and scratching.
The following guides from my store are included
in this set: Ask Mr Universe: Why is
yawning contagious?
Little evidence of
contagious yawning has been seen
in animals other than primates, said the scientists.
A study published
in Biology Letters used a novel but valid test to determine whether dogs have empathy:
contagious yawning.
Interestingly, there is growing evidence which shows that
yawning in dogs can actually be a type of «
contagious yawning» which is ultimately displaying empathy towards their owners.
Presented by Alicia Phillips Buttner and Rosemary Strasser, University of Nebraska at Omaha — ISAZ 2013 Over the last decade, there has been renewed interest
in understanding the mechanisms that control
contagious yawning.
I learn that there was an international conference on
yawning held
in Paris
in 2010 (love the logo; see at the right, above) and that there's a neural basis to
contagious yawning, though I couldn't tell you what it is.