Amygdala

Improved Essays
Fear, it is something nearly everyone have. Fear has it own benefits and disadvantages. It can protect someone from danger or put someone in danger. According to Alix Spiegel, one of the hosts on Invisibilia, on the episode, World With No Fear, “If you have no fear, more terrible things will happen to you, but you don’t personally experience them as terrible. If you have a lot of fear, fewer bad things are likely to happen, but it’s very probable that your life is more painful to you” (Spiegel, 2015). Some can conquer their fear and some can’t. There is a formula for fear, however fear isn’t fully understood.
People are more fearful nowadays than previous generations. In the 1970s, Roger Hart, an environmental psychologist, study a group of
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Fear is a chemical reaction that occurs in the brain. Amygdala, two almond-shaped set in the brain, plays a key role in processing emotions of fear. Symptoms of fear are rise of heart rate, palms start to sweat, and trembling. Not everyone experience fear. According to Spiegel, “In fact scientists have identified only about 400 people on earth with the condition that was causing fearlessness” (Spiegel, 2015). Fearlessness appears when the amygdala is covered with calcium. Which, it is also known as Urbach-Wiethe disease. Three main symptoms is externally hoarse voice, small bumps around the eyes, and deposits of calcium in the brain.
Here is a case of a person living Urbach-Wiethe disease. Antonio Damasio, neuroscientist at the University of Southern California, studied and spoke with a woman with Urbach-Wiethe disease since the early 90s. The woman wills remain anonymous for her safety. So, the name, SM, was given to this lady. SM is fearless because her amygdala is completely calcified (Spiegel,
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While more people today seem more fearful than the past generations. Most fear isn’t innate and it is learned as people grow up. There are only two innate fears, the fear of falling and the fear of loud noises. So, most can be learned to turn off and on. Comely was able to eliminate his fear of rejection. Miller couldn’t overcome her fear of snakes even with a better understanding how a snake moves. Sometime, being uneducated about something causes fear for some. Scientists have broken down fear and located at least one area in the brain that lights up when fear is apparent. Fear contains alarm pheromones, which allow animals to sense fear from other animals. One of the most fearful times of a person life is around the preschool age. At that age, children already start to learn about social and physical

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