It uses an MRI or magnetic resonance imaging machine to look for abnormalities in the brain.

VOA: special.2010.12.21

An experiment called functional magnetic resonance imaging as illustrated here.

有一种试验叫做功能核磁共振成像。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Magnetic Resonance Imaging is one way to tell if a patient has multiple sclerosis.

VOA: special.2009.01.06

That means functional magnetic resonance imaging.

VOA: special.2010.10.13