1·London taxi drivers who have extensive knowledge of the London city streets have larger-than-normal hippocampi.
伦敦的出租车司机因对伦敦街道环境的熟练掌握，所以他们比普通人的海马区更大。
2·Perhaps, much neurogenesis has occurred in their hippocampi.
也许，在他们的海马区存在大量的神经发生。
3·A 2004 McGill University study of lab rats found that certain maternal behaviors can silence a gene in the hippocampi of their pups, leaving them less able to handle stress hormones.
2004年麦吉尔大学的大鼠试验发现母鼠的某些特定行为使幼鼠大脑海马区的某些基因沉默，小鼠处理应激激素的能力因而下降。
4·This effect could even be seen in the hippocampi of aged mice.
这种作用甚至可以在老年小鼠的海马中看到。
5·And 15 differential expression genes were discovered each in hippocampi and cerebral cortex.
结果发现海马和大脑皮质中各有15个差异表达基因。