动物界11大“瘾君子”:果蝇酒后变成同性恋(7)
2009-06-29 09:51:11
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老鼠服用甲基苯丙胺产生强烈大脑反应
老鼠大量服用甲基苯丙胺(methamphetamine)之后显示药物作用持续数个月,即使停止服用该药物。老鼠服用甲基苯丙胺的作用就相当于长期服用酒精一样,研究人员发现在老鼠大脑的关键性通信系统中发生持久性变化,大脑的这种变化能够持续4个月之久,相当于对人类大脑构成几年的影响。
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