Case Studies 10082007

Case Studies 10082007 - Starts off with casual use for a...

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Fifield 1 Jennifer Fifield Doc Linda Martin-Morris Biology 100 October 8, 2007 CASE STUDIES C2 10/08/2007 What changes in the brain make a drug addictive? Long-term loss of dopamine neuron electrical activity Changes in biochemical makeup of the brain, memory loss, mood changes, changes in motor skills [movements using muscles to write, learn arts and crafts, etc.] Imitates the brain’s natural chemical “messengers” How addictive is ecstasy and why? 43% of the population is dependent on ecstasy The serotonin system in human bodies is decreased → greater amounts are needed to produce an effect Compared to alcohol, the addiction to ecstasy is low
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Unformatted text preview: Starts off with casual use for a good-feeling effect, but can become addicted Seratonin levels in the brain drop Causes an increase of nonepinephrine increased heart rate Sources Fifield 2 Leshner, Alan I. "Oops: How Casual Drug Use Leads to Addiction." National Institute on Drug Abuse . National Institutes of Health. 6 Oct. 2007 <http://www.nida.nih.gov/> . "Ecstasy." Brown University Health Education . 16 May 2006. Brown University. 6 Oct. 2007 <http://www.brown.edu/Student_Services/Health_Services/Health_Education/atod/od_ec stasy.htm>....
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Case Studies 10082007 - Starts off with casual use for a...

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