这问题相当之妙。我们知道，奖励机制和情绪相关的大脑部分，及记忆和认识之间的相关联系，这些本身都是具有塑性，可能凭经验而改变的。

We know that interconnections between the reward circuitry and the parts of the brain involved in emotion, memory and cognition are themselves plastic and experience-modifiable.

youdao

We're trying to understand exactly what changes in your brain when you learn and how those changes persist over time to support memory. And one thing that we know which helps explain why some things are easier to remember than other is that learning is not a unitary process.

我们一直都想查明，学习的时候，大脑到底发生了什么变化，这些变化是如何长时间控制记忆的,我们都知道，学习的过程不是一元化的,这就是为什么有的东西好记，有的东西难记。

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