Her brain may not add a huge amount to her total weight, but it is growing rapidly this week, too.

在总的体重增加中，大脑增加的比重可能并不多，但它增长也很迅速。

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Specifically, the researchers determined whether a volunteer decided to add or subtract two numbers in a math exercise from patterns of brain activity in the medial and lateral prefrontal cortex.

尤其通过中间和侧面前额皮质大脑活动，研究者能判断志愿者做数学题时是决定将两个数字相加还是相减。

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In two thousand five, a drug called temozolomide was shown to add a few months to the lives of brain cancer patients.

2005年，一种叫替莫唑胺（抗肿瘤药物）的新药能使脑癌患者的生命延长几个月。

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Having ADD is like having a turbocharged race-car brain.

NPR: Excerpt: 'Delivered from Distraction'

In any case, the reduction of the brain to a mechanistic process does not necessarily add anything to the debate on responsibility.

ECONOMIST: Cut out the middle men