In addition to noting the men's BMI, researchers also did brain magnetic resonance imaging, looking at brain volume, blood flow and concentrations of metabolites in the brain.
除了注意他们的BMI指数外，研究者还对他们做了脑部磁共振，观察脑容量，血流和脑部代谢物浓度。
Researchers did magnetic resonance imaging or MRI scans to measure brain volume in the hippocampus, the part of the brain responsible for learning and memory.
研究者们磁共振成像或MRI扫描测量大脑海马的体积，它是大脑用来学习和记忆。
Dr Narici began by comparing the volume of calf muscles using magnetic-resonance imaging.
实验开始阶段，那里奇博士利用核磁共振技术对实验对象腓肠肌的体积进行了对比。
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