smile. It's a pure emotional reaction that we can't control. To be more specific, the prompt excites the left anterior temporal region of the brain. Two face muscles are immediately sparked into action. A cheek muscle called the zygomatic major tugs the lips upward. At the same time, muscles around the eye sockets, called the orbicularis oculi, squeeze the outside corners of the eyes into a shape somewhat like a crow's foot. It happens quickly, and doesn't last very long - up to four seconds. This
true personality; maybe smiles really are just muscles tensing in one’s face; or maybe smiles are useless. Smiles affect our lives from the day we are born until the day that we die. I think we all might as well know a little more about how they work in order to utilize this special skill more effectively. In the article, The Psychological Study of Smiling written by Eric Jaffe, we go through the science and benefits of smiling. Jaffe explains the muscle movements and autonomic acts of smiling. The
our brain when we smile? Let’s explore a situation. When you see a friend you haven’t seen in a long time neuronal signals travel from the cortex of your brain to the brainstem. From there, the cranial muscle carries the signal further towards the smiling muscles in your face. Once the smiling muscles in our face contract, there is a positive feedback loop that now goes back to the brain, and that reinforces our feeling of joy. A ... ... middle of paper ... ...December 7). Yawns More Contagious