目的：用胞外记录的方法分别观察伏隔核和海马腹侧下托对吗啡的反应性，探讨其在药物心理依赖形成过程中所处的地位。

Objective:Using the outer-cell recording to observe the morphine responses of nucleus accumbens and ventral subiculum, and explore the function of them in the process of drug-dependence.

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目的：研究损毁腹侧海马下托(VSUB)是否能够阻止成瘾大鼠的条件位置偏爱。

AIM: To investigate whether the ventral subiculum (VSUB) lesions can release the drug craving from drug addicted rats.

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