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.
每当我们回忆起一段长期记忆，它都是具有可塑性的。
Every time we recall a long-term memory, it becomes malleable.
脑的容量是动态的，称为神经形成或可塑性，在记忆后形成前后前当比例的路线。
The brain's capacity for dynamic states, called neuroplasticity, or just plasticity, makes tracking the circuitry behind memories a task of near-epic proportions.
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