San Francisco - A smile can describe the expression of someone. However, yearn for you, beautiful smile is a talent that formed from birth.
Various smile. Start from a forced smile, smile knot, to smile wide. A research finding, the beauty of a smile is associated with genes that are owned by someone. This is proven through research involving fruit 4800 photo of two people judo athletes, one of which suffer blindness.
The researchers see, the second person to have the same expression to indicate that their natural emotions, the same trying to show emotion in accordance with the social situation.
For example, when both the championship paralympic compete for the gold medal. Unfortunately, they did not succeed to get the gold. The blind athlete to receive the silver medal while the one, athletes with normal vision, do not get together once a champion.
Both athletes the same show 'social smile'. Smiles with this category can be formed only by mobilizing muscle mouth without help other muscle. While the actual smile, which is known by the name of Duchenne Smile, not only moves the mouth muscles, but also causes the eyes blinking, so the removal of both cheek bones picked.
"They lost that match, most only take down their lips to control their emotions mimik face. Most of them only form of social smile," said psychologist from the University of San Francisco, David Matsumoto, as quoted by Live Science, Tuesday (30/12/2008 ).
Even when they felt sad and dejected, they both face mimik generate the same faces, the lips do not change their movement, only eyebrow they become slightly increased.
The result, the researchers stated that with such a smile does not always have to be learned, but comes from the genes of each person.
"Athletes who experience blindness from birth has never had the opportunity to see, especially a fake smile that should fit in the human face, even he does not have the ability to control the emotions should be shown. This means, is that emotion we ascertained and the system that is able to manage all this. More precisely, an emotion is brought by the man since birth, "said Matsumoto
