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Yawning is one of more biological functions of the humans and other animals. No one knows why we do it. Some people say that it increases oxygen. Others say it with mind control temperature. Maybe it across the mouth and throat, or let us alert.
The strangest thing about yawning is, it's contagious. A yawn, see or hear someone yawn even reading often leads to a kind of irresistible impulse, a yawn. It is not random, you are more likely to spread, when someone yawning than when a stranger do you love yawns.
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Humans are highly susceptible to the emotions of others. People will laugh when they see someone laugh, cry, if they see someone in distress. This is also known as empathy. Empathy is one of the best quality of mankind. To encourage good behavior and prevent harmful behavior. Empathy is not taught things is that it exists, even in young children, grow and strengthen the whole life.
In humans, "contagious yawning" - after watching someone else yawn yawn - empathy scores were positively correlated. Contagious yawning is proved and self identity and psychological theory test. No contagious yawning can represent developmental delays in children.
To view the gallery ". Do you love your dog? Yawn, and find out (OP - Ed)
Tasmania, was a puppy, shortly after Brian hare and Vanessa woods adopted him.
An interesting question is that whether animals can also empathy. It is hard to measure, because the animal can't tell us, how they feel. But due to contagious yawning is related to human empathy scores, there have been some researchers who use the contagious yawning as a measure of empathy, at least a basic form, in the animal.
In addition to primates, only 2 varieties has been confirmed infection yawn. One of them, perhaps not surprisingly, is a dog (the other is a cockatiel). The initial research produced conflicting results, whether infected dogs yawned. When a dog yawning infection, researchers questioned whether this is signs of stress, instead of empathy.
However, Teresa romero and his colleagues from the university of Tokyo in Japan, a new study has found that not only do dogs do, but they yawn doesn't seem to be nervous signs - like humans, they are more likely to combine with someone yawning their emotions.
In this study, the researchers have 25 dog watching their employers or strangers yawn. Measuring the dog's stress level is good for the heart rate monitor. Just over half of the dogs yawned infection (54%). Dogs yawned when their owners more frequently yawned, emotional ties between dogs and their owners, have stronger response. During the experiment, is in the dog's heart rate significantly increased, so the dog's yawning seems to have no pressure.
From these results we Dognition performance reverberate in. 250 people attended the test program, 20% of dogs yawned. The difference between the two studies may be due to a slightly different approach research personal yawning (romero human yawns, after 5 minutes, recording dog and Dognition participants recorded two minutes later, the boss yawned).
In addition, in Dognition, yawning test and the dog's cunning scores, measured the dog how to use its owner's attention, there is a connection between to deceive them. Dogs read them skillfully master body language, and use the information to their advantage, were also more likely to yawn.
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