And they did an imaging test called positronemissiontomography or PET to test for brain function by looking to see how well the brain USES glucose or sugar.
他们做了一个成像测试正电子发射断层或PET测试脑功能,看看大脑是如何使用好葡萄糖或糖。
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PET, or positronemissiontomography, is an imaging study that allows doctors to evaluate the use of certain substances by the brain.