THIS IS YOUR BRAIN ON DRUGS

This Is Your Brain on Drugs

Using cocaine just once may change a person’s brain structure, making him or her more likely to seek out or crave the drug again. Within hours of being exposed to cocaine, the brain cells of mice displayed increased development of protrusions called dendritic spines, believed to be involved in memory formation. Those mice whose brains were most changed by the cocaine exposure seemed to develop the greatest preference for the drug, suggesting that this is part of the process of learning addictionMore… Discuss

 

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