期刊
NATURE NEUROSCIENCE
卷 7, 期 5, 页码 495-496出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nn1219
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资金
- NIDA NIH HHS [DA07348, DA08348] Funding Source: Medline
Epidemiological data suggest that cocaine dependence emerges rapidly, and most cocaine addicts meet criteria for dependence within 1-3 years after onset of drug use. Here we show that in rats, environmental stimuli associated with a single cocaine self-administration experience elicit strong cocaine-seeking that persists for up to one year. In contrast, conditioned stimuli that were associated with a highly palatable non-drug reinforcer elicited modest behavioral responses that extinguished within 3 months.
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