Essay Addiction And Its Effects On The Brain

1477 Words Oct 13th, 2014 6 Pages
Addiction is derived from a Latin term for “enslaved by” or “bound to.”(.....) A condition classified as addiction results when an individual engages themselves in irresistible activities, or are consumed by a substance. This gives a pleasurable effect to the person, and if these acts continue it may become compulsive. Which may interfere with day to day life and the responsibilities that follow. The individuals are not always aware that their behavior is out of control. Most addictive behavior is a reaction from being emotionally stressed. Stress can disrupt the brain circuits that increase chances of drug addiction. “A stress related neurotransmitter called corticotropin- release factor increases in the amygdala, a brain region that plays a key role in all emotions.”(.....brainfacts.org..) This might help explain why addicts feel depressed or extremely anxious when sober or from discontinued behavior. The brain receives pleasure the same way whether it is from a drug, a sexual encounter, or a reward. Brains essentially have what is considered to be a pleasure center that lets an individual know that is a pleasurable act, and increases the desire to perform the same actions once again. The system floods the circuit with the neurotransmitter, dopamine. Dopamine activates specific sites on the brain called receptors which therefore increase reward and pleasure. Over time the brain will be able to adjust to this excess dopamine level by decreasing dopamine receptors sites in…

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