The different groups underwent a new type of magnetic resonance imaging of their hearts that identifies very early signs of fibrosis, or scarring, within the heart muscle.
研究人员对这几组研究对象的心脏进行了核磁共振成像检查，来检测他们心肌纤维化和瘢痕的早期症状。
2
Several research groups have observed the activity of mirror neuron networks indirectly in humans through the use of functional magnetic resonance imaging (fMRI).
有几个研究小组利用功能性磁共振成像技术(fMRI)间接观察到人的镜像神经元网络的活动情况。
3
In recent years, brain-imaging techniques, such as functional magnetic resonance imaging (fMRI) have allowed scientists to observe the brain in action and determine how groups of neurons function.