具体来说，大脑细胞每减少1%，这时脑袋大小如果每增加一厘米，那么在记忆力测试中，他们就能多获得6%的分数。

Specifically, for every 1% of brain cell death, an additional centimetre of head size was associated with a 6% greater score on the memory tests.

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但取多少并不是按比例增多的：如果我们把玻璃球的总数增加到8倍，被测试者也只从玻璃球的总数量的某个百分数中取走一半。

But not proportionately more: if we increase the number of glass balls eight times, the subject takes only half as large a percentage of the total.

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如果你匹配几双成一排，你的分数是成倍增加。

If you have a few pairs of matches in a row, your score is multiplied.

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