Materials are the basis for this world, even our brain is made up of materials. The technology today has gone deep into the level of molecues and atoms, solving the problem of material structure.

物质是构成世界的根本，就算是我们的大脑结构也是物质构成的，现在科技已经可以深入到分子原子层面了，解决了物质的构成问题。

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Facts are stored first in the hippocampus, a structure deep in the brain about the size and shape of a fat man's curled pinkie finger. But the information does not rest there.

事实真相先都储存在大脑深处的海马状结构中，该结构的大小和形状有如胖子卷曲起来的粉红色手指，不过资料并不总呆在那里。

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The region of the brain that these researchers are focused on is known as the dentate gyrus, a small structure buried deep within the brain, making it difficult to study.

这回，研究人员所关注的大脑区域为“齿状回”，这是大脑深处的一个小结构——由于埋藏得很深，因此研究起来十分困难。

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They used light-sensitive molecules to turn on and off nerve cells in the deep brain structure of mice.

VOA: special.2009.04.07

The most active areas in the untreated animals, compared with the controls, were a part of the pre-frontal cortex, and also the amygdala an almond-shaped structure deep in the brain that is believed to be the seat of emotion.

ECONOMIST: Addiction