And they did an imaging test called positron emission tomography 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。
2
PET, or positron emission tomography, is an imaging study that allows doctors to evaluate the use of certain substances by the brain.
即正电子放射断层摄影术，是一项成像研究，它能使医生评价大脑对某些物质的使用。
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These techniques include magnetic resonance imaging (MRI), positron emission tomography (PET), and functional magnetic resonance imaging (fMRI).