The rod had damaged a significant part of his frontallobe, a part of the brain now known to be essential in governing our temperament.
那根杆子损害了他的额叶中一个重要的部分，现在已经知道，大脑的这个部分实际上支配着我们的性格。
2
In making decisions, the frontallobe of the human brain, which is relatively new in evolutionary history, is instrumental.
在做决定时，人脑的额叶是主要工具——它在进化史上出现的时间相对较晚。
3
Changes occur in gene expression in the brain's hippocampus and frontallobe. However, the molecular mechanisms underlying these changes in gene regulation are not completely known.