When someone yawns, other people yawn after. It becomes contagious, but many people wonder if smiling becomes contagious too. People smile all of the time. They smile for various reasons too. Joy spreads when other people are happy or joyful. When you smile at someone, they will smile back.
There are two types of smiles. One type of smile is the genuine smile. It is our normal everyday smile. We use this smile when we are happy, when someone makes us laugh, or when someone is having fun. Another name for the genuine smile is the Duchenne smile. According to www.highlanddental.co.uk, the Duchenne smile is named after 19th century French Neurologist Guillaume- Benjamin- Amand Duchenne. Duchenne was born September 17th, 1806 in Boulogne France. He died September 15th 1875 in Paris France. According to www.britannica.com (by The Editors of Encyclopedia Britannica), “He was the first to describe nervous and muscular disorders, in …show more content…
The other type of smile is social smile. Social smiles use only your mouth muscles. The social smile is a fake smile. People have used the social smile to be polite. Scientists discovered that the two types of smiling, social and Duchenne, use two totally different parts of our brain. The Duchenne smile works from the left hemisphere for our brain and scientists do not know where the social smile works in the brain. It is somewhere different that is not on the left hemisphere or the human brain. According to
There are two types of smiles. One type of smile is the genuine smile. It is our normal everyday smile. We use this smile when we are happy, when someone makes us laugh, or when someone is having fun. Another name for the genuine smile is the Duchenne smile. According to www.highlanddental.co.uk, the Duchenne smile is named after 19th century French Neurologist Guillaume- Benjamin- Amand Duchenne. Duchenne was born September 17th, 1806 in Boulogne France. He died September 15th 1875 in Paris France. According to www.britannica.com (by The Editors of Encyclopedia Britannica), “He was the first to describe nervous and muscular disorders, in …show more content…
The other type of smile is social smile. Social smiles use only your mouth muscles. The social smile is a fake smile. People have used the social smile to be polite. Scientists discovered that the two types of smiling, social and Duchenne, use two totally different parts of our brain. The Duchenne smile works from the left hemisphere for our brain and scientists do not know where the social smile works in the brain. It is somewhere different that is not on the left hemisphere or the human brain. According to