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Drug Priming
Encyclopedia entry

Drug Priming

R.T LaLumiere and P.W Kalivas
Encyclopedia of Behavioral Neuroscience, Three-Volume Set, 1- 3, pp.431-436
2010
DOI: 10.1016/B978-0-08-045396-5.00066-X

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Abstract

A hallmark of drug addiction and the major problem facing the treatment of drug addiction is the high propensity to relapse. Drug-induced relapse is a common mechanism for relapse and has been modeled in animals. From animal studies investigating drug-induced relapse, it has become clear that the mechanisms underlying relapse are not identical to those underlying the rewarding effects of the drug itself and depend on changes in neural systems mediating decision making and motor output. Enduring alterations in the glutamatergic pathway from the prefrontal cortex to the nucleus accumbens underlie relapse to drug seeking, and when an animal is given a small amount of the drug of abuse, these alterations enable the drug to drive compulsive drug-seeking behavior.
Dopamine Nucleus accumbens Relapse Addiction Reinstatement Rats Prefrontal cortex Glutamate Ventral tegmental area

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