They were compared with a control group of ten men who had no injury to their hippocampus. 他们是与十名海马体都没有损伤的对照组相比较的。
Ischemia could stimulate neurogenesis in the cerebral cortex and hippocampus which is considered as a very important neuronal protection mechanism. 脑缺血可上调大脑皮层和海马的神经元再生，这可能是一种重要的神经保护机制。
