As you get older, learning often feels harder than it used to. Why is that? What changes in the brain as we age that makes acquiring new information harder? Is there anything we can do to avoid our minds slowing down?随着年龄增长，常常会觉得学习变得比过去更难了。为什么会这样？大脑随年龄发生了哪些变化，导致获取新信息变得困难了？我们能做些什么来避免思维的衰退吗？This is a topic I’ve been asked about a lot, but until recently one that I didn’t know much about. Aging wasn’t a topic I spent much time researching in my book, preferring to focus on principles of learning that are universal.这是我经常被问到的一个问题，但直到不久前，我对此都了解不多。衰老不是我在书中花大量时间研究的主题，我更关注通用的学习原则。Recently, however, I dec
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