You could do brain surgery while fully conscious because the brain itself has no sense organs to it.

你完全可以在意识清醒的状态下,接受脑部手术,因为大脑本身并没有任何的感觉器官

耶鲁公开课 - 心理学导论课程节选

No traces of desires and memories and intentions and beliefs to eventually be recovered if only we have the right surgery,or procedure,or psychotherapy, or what have you.It's gone.

没有一丝的欲望，记忆，意愿和信念能被追回,无论什么样的手术，程序或者精神疗法，都无可挽回。

耶鲁公开课 - 死亡课程节选