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If you like to skydive or participate in other dangerous, adrenaline-inducing activities such as extreme sports or doing drugs, you may be someone\u00a0who is easily bored or impulsive. People who demonstrate \u201cnovelty seeking\u201d behavior tend to prefer new or unexpected experiences. Studies show that these new experiences release pleasure chemicals, or dopamine, in the brain, which may be why some people are drawn to dangerous activities.<\/p>\n
Dopamine is a neurotransmitter that regulates the brain\u2019s reward and pleasure centers. Rewarding experiences, such as eating, activate the dopamine system, which then controls how we perceive the task we\u2019re doing and the reward or failure associated with it. Dopamine is used to treat movement symptoms in Parkinson\u2019s disease. A study found that 17 percent of Parkinson\u2019s disease patients who took drugs that stimulate dopamine receptors developed unpredicted behavioral addictions. They were also more likely to engage in risky behaviors and demonstrated a preference for novelty. This study shows that an active dopamine system is positively correlated to the likelihood of taking risks.<\/p>\n
Another study found that anticipating a win can increase brain activity in dopamine regions, whereas anticipating a loss decreases such activity. As expected, our expectation of a win or reward encourages us to take a risk. But similarly, the urge to avoid a loss also drives us to take a risk. Therefore, someone who is drawn to the thrill of skydiving may be acting on their urge to avoid serious loss, such as death.<\/p>\n
It turns out that our chances of\u00a0taking a risk can be manipulated. Research on rats shows that risk taking can be reduced by mimicking the dopamine signal that provides information about previous negative outcomes. The risk taking behavior of binge drinkers can also be reduced by experiencing, rather than expecting, a loss outcome.<\/p>\n
So what makes some people more likely to be thrill-seeking than others? The answer has to do with both nature and nurture. Studies have found that people who have a specific dopamine receptor are more likely to engage in risky behavior. This gene variant may cause an increase in the release of dopamine in the brain when presented with unexpected rewards, making the new experience more thrilling. On the other hand, people may also be more likely to engage in thrill-seeking behavior due to the peer pressure to conform, or when the individual is feeling especially sad or stressed.<\/p>\n
~Sophia Hon<\/p>\n
Sources:<\/p>\n
http:\/\/www.medicaldaily.com\/risky-business-dopamine-influences-brain-take-risky-decisions-302500<\/a><\/p>\n
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