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Or are you now the owner of a dog or not, you’re probably looking at a dog’s eyes and bewitched by the pure cuteness.
The researchers, who analyzed it and compared it to the anatomy and the behavior of dogs compared to wolves, that was recently discovered that dogs’ facial anatomy, have changed over the course of thousands of years, in order to enable them to be better, to be able to communicate with – you guessed it – the human being.
Their research suggests that people prefer puppies, which are attractive, sad-eyed look, which, in turn, encouraged the development of the face and muscles that it is intended for.
In the modern age, the puppies will make use of muscles to raise their eyebrows, and the cute expression. However, that muscle does not exist in their ancestors, the wolves.
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“You don’t often see such a muscle, the differences in the species that are closely related to” Anne Burrows of Duquesne University in Pittsburgh and an author of the study, released Monday by the Proceedings of the National Academy of Sciences, said in a news release.
Dogs and wolves are different in a variety of ways.
Image courtesy of The University of Portsmouth
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Burrows and his colleagues studied the eye muscle in the cadavers of six dogs, and two wolves. They found that dogs with a meaty eye muscle to raise their eyebrows, and to make sure that pensive puppy-dog-eyes-face. But the wolves, with the same muscle, it was made out of, or is missing.
The scientists also recorded in 27 dogs, nine wolves, and if every young person. Pet pooches can often and fiercely pulled back from their brows, to create a pensive expression, while the wolves are rarely made these faces, and with a great intensity.
The researchers think that the dogs are used in these eye muscles, to communicate, and eventually goading people to feed or care for them, or at the very least, to take them out to play. And for the people, perhaps inadvertently, is required.
The study included a group of behavioral and anatomical experts in the united kingdom, and the United States of america.
“This is not a significant difference for the species which are only separated from 33,000 a year ago, and we think that’s remarkably fast, a facial muscular changes, and can be directly linked to the dogs’, improved social interaction with other people,” Burrows added.
A dog expert has not been involved in the study, and was very impressed.
“The implications are quite profound,” Brian Hare, of Duke University, said. Haas wrote in an e-mail to you that these muscles are almost sure to be developed because they gave the dogs an advantage when interacting with other people, and the people are not aware of it.
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“The proof is in the puppy-dog eyes all the time!” he added.
The Associated Press contributed to this report.