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NIDA Notes Articles: Brain

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THC Hampers Spatial Memory Development in Young Monkeys

September 2015
Adolescent monkeys that were exposed to THC fell progressively further behind THC-free monkeys in their ability to recall the location of an object after a brief delay.

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Why Take a Drug That No Longer Gives Pleasure?

September 2015
In mice, a cocaine-induced imbalance in the activity of two key populations of neurons in the reward system persists for a longer period after repeated exposure to the drug. For long-term users, this change could both weaken the cocaine “high” and strengthen the compulsion to seek the drug.

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