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首页> 外文期刊>Distillations Magazine >The Machiavelli Microbe Can a parasite in your cat's litter box take control of your mind?
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The Machiavelli Microbe Can a parasite in your cat's litter box take control of your mind?

机译：Machiavelli微生物猫砂箱中的寄生虫可以控制您的思想吗？

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A few years ago scientists noticed something funny about rodents infected with a one-celled creature called Toxoplasma gondii, or Toxo. Rodents that have been raised in labs for dozens of generations and have never seen a predator in their entire lives will still quake in fear and scamper away from the presence of cat urine; it's an instinctive, totally hardwired fear. But rats exposed to Toxo, especially male rats, have the opposite reaction. They adore cat urine. At the first whiff the emotion-processing centers of their brains throb and their testicles swell as if meeting females in heat. The finding has fascinated neuroscientists for several reasons, especially for the way it links chemical-level understanding of the brain to large-scale phenomena, such as emotions. Studying Toxo reveals exactly how such leaps in understanding are possible—and why they can be so unsettling.
机译：几年前，科学家注意到啮齿动物被一种叫做“弓形虫”（Toxoplasma gondii）的单细胞生物感染的有趣之处。在实验室中饲养了数十代的啮齿动物，一生中从未见过捕食者，它们仍然会因恐惧而震颤并从猫尿中清除。这是一种本能的，完全硬性的恐惧。但是接触Toxo的老鼠，特别是雄性老鼠，则有相反的反应。他们喜欢猫尿。乍一闻，他们大脑的情感处理中心在rob动，睾丸膨胀，好像遇见雌性。这一发现使神经科学家着迷，其原因有几个，特别是因为它将大脑对化学物质的理解与诸如情感之类的大规模现象联系起来的方式。对Toxo的研究准确地揭示了这种理解上的飞跃是如何可能的，以及为什么它们如此令人不安。

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