And in this case,both of Lefty and Righty seem to have enough of Shelly Kagan's brain.

在本案例中，小左和小右都有足够的大脑。

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In this particular case, you can see of the brain is steering at the red spot.

如图所示，对于迈克的案例。

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In the special case where there's splitting, even if you follow the brain,not good enough.

在特殊情况下，分裂产生，跟随大脑这一原则就不够适用了。

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Some people can fight the brain off in this case, and control their food intake, maintain a healthy diet, and maintain a normal weight, but the number of such people in the population is shrinking by the day.

有些人可以抵制大脑的控制,控制食物的摄入量,维持健康饮食 保持正常体重,而今,这类人的数量日益减少

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So in the ordinary case,no splitting,follow the brain.

所以在通常的情况下，不会有分裂。

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Great! The question was--on this saying, what do we say about the case if we take the two halves of Johns' brain, split them, ? put them into 2 different torsels, they both wake up, ? would they both be Johns?

很好！这个问题是，如果把约翰斯的左右半脑分开,分别放进2个不同的躯干，结果会怎么样，它们都醒了，都会是约翰斯吗？

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