The brain hemispheres take turns sinking into the sleep stage characterized by slow brain waves.

大脑半球轮流进入以慢脑波为特征的睡眠阶段。

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Today the theories are a bit more sophisticated: men supposedly have more specialized brain hemispheres, women more elaborate emotion circuits.

而当今的理论却略显世故：男人的脑子更加细化，而女人的则更像是精心设计的情感回路。

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The researchers saw significantly increased activity within the corpus callosum, the area that connects the left and right brain hemispheres, in those with Tourette.

研究人员看到，在那些患有图雷特综合症的孩子的胼胝体中的活力大增，胼胝体是脑中连接左右大脑的区域。

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It is already known that men have fewer connections between the left and right hemispheres of their brain.

BBC: Sexes handle emotions differently

Their project was inspired by introductory neurobiology school lessons that ascribed different activities to the two hemispheres of the brain.

WHITEHOUSE: Office of Science and Technology Policy Blog

The title, Fissure, can refer to a crack in a rock, the split between the two hemispheres of the brain and the separation of two people.

BBC: Theatre director seeks change of scenery