If souls can't split,it can only follow one half of the brain, and that's why we'll get somebody that's got one half, sometimes the other half,but never both halves.

如果灵魂不能分割，只跟随一半大脑，才能有只有其中一个得到半个大脑的人存活，而没有两人同时存活的状况。

耶鲁公开课 - 死亡课程节选

So, if you were to lose half your brain, the other half can actually do a lot but some things are more prevalent and more powerful in one part of the brain than the other And I want to show you a brief film clip from "Scientific American" that illustrates the differences between the hemispheres, but before doing that,I want to provide some introductory facts.

如果你失去了半个大脑,另外一半其实也可以完成很多功能,但是某些功能是存在单侧化优势的,我给你们播放一段短片,来自于《科学美国人》,它解释了大脑两半球的功能差异,但在此之前,我想先做一些介绍

耶鲁公开课 - 心理学导论课程节选