As part of that study, 3,000 people in different countries, mostly college students, wrote about recent crying experiences.

VOA: special.2009.01.28

So during those years, from 3 to 46, We believed that that part of his brain did not develop in the natural way, because it was deprived of the kind of stimuli to develop in the normal way.

因此，从他3岁到46岁的这些年里，我们认为这部分大脑,没有正常发育，因为没有正常情况下的那些刺激。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

So during those years, from 3 to 46, We believed that that part of his brain did not develop in the natural way, because it was deprived of the kind of stimuli to develop in the normal way.

因此，从他3岁到46岁的这些年里，我们认为这部分大脑,没有正常发育，因为没有正常情况下的那些刺激。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选