If there's enough redundancy in the brain so that even if your right hemisphere got destroyed, your left hemisphere,you still have all the same memories,desires,beliefs.Good enough.

如果大脑拥有足够冗余,导致即便右脑被破坏掉，左脑依然拥有，所有的记忆，欲望和信仰，这就够了。

耶鲁公开课 - 死亡课程节选

Suppose that as a kind of back-up security whenever revolution has done is-- produced so much redundancy in the brain that either half of the brain was sufficed.

假设我们有理论支撑,未来的进化-,会使大脑产生很多多余的部分,我们只需要一半大脑就足够了。

耶鲁公开课 - 死亡课程节选

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