Fear And Lack Of Fear

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Introduction Fear is understood as an intense and distasteful emotion caused by an expectancy of peril, whether it be to one’s self or another. When humans experience their worst fear, such as fear of heights, spiders or needles, they encounter the noticeable symptoms which include increased heart rate, paling of the skin, excess secretion of sweat, stiffness in muscles, dizziness and or fainting. Now emotions such as happiness, depression, anger, and fear have all been engaged and tested on humans and animals; but specifically the emotion of fear is the most effective of them all.
With this emotion, psychologists have conducted experiments known as “fear conditioning”. This is done in order to understand the emotion more thoroughly. For the most part these experiments are piloted on animals and bring up applicability issues and ethical issues; yet, “fear conditioning” is a resourceful tool to an extent that it allows for researchers to experiment for the question, “To what extent does the human brain contribute to fear and how does fear affect the body in return?”
Experimenters have been able to provide information thus far showing that the emotion of fear is controlled by multiple parts of the brain, and all these parts work together so we can react or handle this emotion. Furthermore, these parts of the brain also play a role in memory; this is why the brain is also a contributor to how long our fear lasts, whether it be for years or for a few moments. And even
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