That is, as LeDoux says, "if you put that system into a brain that has consciousness, then you get the feeling of fear."

也就是如勒杜所说，“如果把这个系统放进有意识的大脑里，你就会感到恐惧。”

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"An animal that can't detect danger can't stay alive," says Joseph LeDoux.

“一个无法觉察出危险的动物是不可能存活的。”约瑟夫·李窦说。

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Ledoux concluded that the neural connections in which memories arestored have to be rebuilt each time a memory is recalled.

勒杜的总结是储存记忆的神经结在每次回忆被唤起的时候都需要重建。

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Ms LeDoux has brought the bulls from her north-eastern Kansas ranch to the annual National Western Stock Show in Denver, a three-week livestock fair in January at which 15, 000 farm animals are shown, ranging from cattle and sheep to chickens and llamas.

ECONOMIST: All the fun of the fair at Denver��s annual stock show