Every 90 minutes , during rem sleep , a burst of electrical activity flows through your brainstem which also happens to be when you experience dreams .
在快速眼动睡眠阶段，每90分钟，有一股电波流过你的脑干，当你做梦时也会产生。
Babies are particularly open to learning during their first year , as outside of the brainstem ( which controls critical life-sustaining processes ) , very few neural pathways have been formed .
