期刊
ADDICTION BIOLOGY
卷 16, 期 2, 页码 273-284出版社
WILEY
DOI: 10.1111/j.1369-1600.2010.00285.x
关键词
Cocaine; conditioned place preference; relapse; social interaction; substance dependence; zif268
资金
- Austrian Science Fund (FWF) [P18787-B05]
- Lise-Meitner-Fellowship [M1169-B18]
- MFF [154]
- Verein fur Experimentelle Psychiatrie, Psychotherapie und Pharmakologie (VEPPP)
- Austrian Science Fund (FWF) [W1206] Funding Source: Austrian Science Fund (FWF)
Little is known how social interaction, if offered as an alternative to drug consumption, affects neural circuits involved in drug reinforcement and substance dependence. Conditioned place preference (CPP) for cocaine (15 mg/kg i.p.) or social interaction (15 minutes) as an alternative stimulus was investigated in male Sprague-Dawley rats. Four social interaction episodes with a male adult conspecific completely reversed cocaine CPP and were even able to prevent reacquisition of cocaine CPP. Social interaction also reversed cocaine CPP-induced expression of the immediate-early gene zif268 in the nucleus accumbens shell, the central and basolateral amygdala and the ventral tegmental area. These findings suggest that social interaction, if offered in a context that is clearly distinct from the previously drug-associated ones, may profoundly decrease the incentive salience of drug-associated contextual stimuli. The novel experimental design facilitates the neurobiological investigation of this phenomenon which may be beneficial for human drug users in treatment.
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