Research suggests that there is a fair bit of redundancy in the brain, you can lose portions of the brain and still have a perfectly functioning, peak functioning person.

有研究显示,大脑中有些部分是没用的,即使失去大脑的某些部分,你还是可以正常生活，还是非常正常的人。

耶鲁公开课 - 死亡课程节选