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    【托福考试网】2010年,[外语考试]托福阅读:为何失恋后很难再爱[1]-托福考试(TOEFL):中华托福网
    urbrainsarefixatedonourformerlovers,accordingtoscientists.  或许曾经拥有总好过从未爱过,但为什么许多人在失恋后却很难再爱一次?科学家最新之研究结果表明,这可能是人之大脑被一种叫做多巴胺之“痴情毒药”锁定在旧情人之身上。  ResearchersatFloridaStateUniversityexaminedthenatureoflov...-zhksw摘 关键词:考试 真题 模拟题 试题 押密 预测 练 答案 习题
    作者:佚名  来源:中华考试  发布时间:2010-11-15 5:07:41

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    失恋是每个人都不愿意接受之事实,如果失恋后能很快投入下一段感情或许能让人迅速恢复。但这似乎并非易事。



      It may be better to have loved and lost than never to have loved at all, but why is it so hard to find again? It may be that our brains are fixated on our former lovers, according to scientists.

      或许曾经拥有总好过从未爱过,但为什么许多人在失恋后却很难再爱一次?科学家最新之研究结果表明,这可能是人之大脑被一种叫做多巴胺之“痴情毒药”锁定在旧情人之身上。



      Researchers at Florida State University examined the nature of love by studying the brains and behaviour of male prairie voles, picked for their habit of lifelong monogamy and aggression towards other females once they have found a mate.

      据《卫报 》12月6日报道,美国佛罗里达州大学之研究人员通过研究雄性田鼠之大脑和行为来探索人类爱情之本质。和人一样,田鼠属于终生单配偶动物(即一夫一妻制),且一旦有了配偶后就本能地对其它异性产生排斥。



      The scientists found that males became devoted to females only after they had mated. The bond coincided with a huge release of the feelgood chemical dopamine inside their brains.

      研究人员发现,雄性田鼠有了配偶后就会专注于对方,而有了配偶之田鼠开始大量分泌一种叫做多巴胺之化学物质(人脑也会分泌该物质)。负责此项研究之布兰登·阿拉戈纳博士证实,多巴胺就是让雄性田鼠痴情之“毒药”。



      Brandon Aragona, who led the study, demonstrated that dopamine was the voles' love drug by injecting the chemical into the brains of males who had not yet had sex with female companions. Immediately, they lost interest in other females and spent all of their time with their chosen one. Further experiments showed that dopamine restructured a part of the vole's brain called the nucleus accumbens, a region that many animals have, including humans. The cha
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