In 2001, a group of scientists were carrying out experiments in which volunteers were doing difficult tasks. The team then compared the images of a person’s brain during rest and the images of the volunteers’ brains. The scientists noticed that a specific region of the brain was more active when volunteers did simple tasks than when they engaged in demanding ones. The scientists have named this area of the brain the default mode network, or the DMN.
2001 年，一群科学家针对正在做困难任务的志愿者进行实验。该团队接著将一个人休息时的大脑影像与志愿者的进行比较。科学家注意到当志愿者在做简单任务时，大脑某个特定区域比他们在做艰巨任务时更加活跃。科学家将这个大脑区域称为预设模式网路（default mode network），或简称 DMN。
生活必备字词：
carry out... / carry... out 进行∕执行……
specific a. 特定的
engage in... 从事……；忙于……
The two sides engaged in peace talks.
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