来自《耶鲁大学开放课程：心理学导论 第2集 第2集》

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  And to give you, again, a feeling for the complexity of these systems,
  小脑包含大约三百万个神经元
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  the cerebellum contains approximately
  这也能够让你再次体会到
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  30 billion neurons.
  这些系统的复杂性
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  The hypothalamus is responsible here for feeding, hunger,
  下丘脑控制进食 饥饿
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  thirst, and to some extent sleep.
  口渴 以及部分的睡眠活动
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  And here is the same brain parts in close-up.
  这是这些大脑组织的特写
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  Now, all of these parts of the brains are essential
  所有的这些脑组织都是必不可少的
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  and many of them are implicated in interesting psychological processes
  它们中的许多都会参与到心理活动之中
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  but where the action is is the cortex.
  但其实真正的反应则发生在大脑皮层
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  Isn't this beautiful?
  是不是很漂亮
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  The cortex is the outer layer
  大脑皮层是大脑的外层
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  and the outer layer is all crumpled up.
  上面布满了褶皱