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。
2
PET, or positronemissiontomography, 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。
3
And although Asimov's "positronic" brains do not exist, positrons are indeed used to probe human brains in positron-emissiontomography (PET) scanning.