Essay on Fear And Its Effects On Fear

1347 Words Mar 6th, 2016 6 Pages
Fear and Its’ Effects In the Merriam-Webster dictionary fear is a noun, defined as “an unpleasant emotion caused by the belief that someone or something is dangerous, likely to cause pain, or a threat.” Digging deeper we find that fear is an adaptive behavior that helps organisms identify threats. In the modern era we often view fear as an obstacle, a barrier separating us from our goals. However, the human race would have died out long ago had we never harnessed the instinct of fear. We are naturally born with only two fears, the fear of loud sounds, and the fear of falling, fears naturally exist to protect us from harm, however in this day in age fear may be somewhat of an inconvenience. There are two types of fear. The first kind of fear is rooted in the animal-instinctual part of the brain. That type of fear is concerned with physical preservation. It reacts automatically to get us out of danger. Dr. Joseph LeDoux, a New York University professor, has spent years studying fear in the brain. He describes two pathways within the brain that vary in length which send fear signals. His experiments concluded that our sensory system pass information to the thalamus (the thalamus plays a role in controlling the motor systems of the brain which are responsible for voluntary bodily movement and coordination), where signals split and trace two separate paths on their way to the amygdala, the brain’s threat center. Following the shorter path, one signal shoots to the brain before…

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