The domestication of dogs thousands of years ago radically changed not only their behavior but also their anatomy. In this content, we will examine the results of an interesting research conducted on dog facial expressions.
“Evolution of facial muscle anatomy in dogs” A current article titled (Evolution of facial muscle anatomy in dogs) facial expressions of dogs He reached an important finding regarding the
Research shows that during the domestication process of dogs changes in facial muscles By examining it, it aims to reveal what role these changes play in communication with people.
So what kind of methodology does this research have?
Within the scope of the research, 27 domestic dogs and 9 wild wolves Facial muscle anatomy is examined comparatively.
The facial expressions these species show during social interactions, especially inner eyebrow raising movementis observed and the frequency and intensity of this movement is recorded.
What do the research results show? The facial muscles of dogs and wolves are anatomically different!
The anatomy of the facial muscles between wolves and dogs is only in the muscles around the eyes It is found that there are significant differences.
In this regard, while there is a muscle in dogs that provides the internal eyebrow lifting movement, in wolves this muscle is missing or is represented only by a small tendon, that is, it is as small as in dogs. is not functional is being observed.
Researchers say this anatomical difference allows dogs to raise their eyebrows more clearly, thus more pronounced facial expressions He states that it enables them to exhibit.
This muscle, which wolves do not have, allows domestic dogs to communicate with humans!
Dogs perform the inner eyebrow raising movement much more frequently and at higher intensity than wolves, and this is a move to communicate It is said to be.
Researchers have found that these facial expressions enable dogs to communicate with humans more effectively, and that this communication helps humans become more resistant to dogs. more relevant states that it makes it happen.
According to researchers, these facial expressions made with the eyebrows of dogs that have become domesticated and whose needs are recognized by humans trigger people to be more interested in the dog, thus causing dogs to become more interested in dogs. survival and may increase the chances of re-appropriation.
In summary, these findings indicate that dogs were shaped by the behavior of humans during the domestication process. anatomical and behavioral changes It delivers stunningly.
As with every research article, this research There may be some restrictions Let’s end our content by stating that it would be appropriate to generalize it within the scope of its own sample.
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