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KSCPA. DIP Á¤Çý¼±
¹®Çå: Rhoades Human Physiology
(1996) p.360.
TIMEÁö 1997. 5.12
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Drugs of Abuse and the Reward
System of the Brain

The reward system of the brain was first Discovered when stimulating electrodes were placed into the brains of laboratory Animals, which were then allowed to control the amount of electrical current passing through the electrodes.
By pressing a bar, animals were able to deliver current to the electrodes. When the electrodes were placed in specific areas of the brain, these animals would press the barwell over 100 times per minute. When given a choice of receiving food instead of the electrical current, animals would choose the electrical stimulus, starving as a result. The reward areas of the brain thus constitute a powerful motivational system that overrides drives such as hunger, sex, and in some cases, the avoidance of pain and punishment.
The release of dopamine by these synaptic connections is crit< ÀúÀÛ±ÇÀÚ © ¾à±¹½Å¹® ¹«´ÜÀüÀç ¹× Àç¹èÆ÷±ÝÁö >
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