Similar parts of their brains lit up while watching the videos, especially parts that are connected with motivation, learning and memory.

观看视频时，他们大脑中的相似部分被激活，尤其是与动机、学习和记忆有关的部分。

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Synapses are the junctions between nerve cells, and their action is central to learning and memory. But they are also, he says, the most fragile parts of the brain.

突触连接神经细胞，其活动对于学习和记忆是很重要的，但它们也是，他说，大脑最脆弱的部分。

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More likely, the researchers speculate, humans use their fine hearing to facilitate working memory and learning capa bilities, but more research is needed to explore this puzzle.

最后，研究者推测，也许人类只是用他们的好听力去促进他们的记忆容量以及他们的学习能力，但是仍然需要更多的研究去探索这个难题。

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Synapses are the junctions between nerve cells, and their action is central to learning and memory.

ECONOMIST: Eat your way to a better brain

Imaging studies on depressed humans show shrinkage in their hippocampus, a brain region involved in learning, memory and emotion that is also a region where much neurogenesis occurs.

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