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。

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Brain structure was studied using 3D magnetic resonance imaging.

利用 3D 磁共振成像技术对脑结构进行了研究。

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At the same time, the researchers observed what was going on inside the mind using a type of brain scan called functional magnetic resonance imaging.

让她们进行一项电脑测试，对答对者可获得一定酬金。同时，研究者们利用磁共振脑功能扫描观察她们的大脑内部状态。

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

VOA: special.2010.12.21

Or they can look broadly at the whole brain using magnetic resonance imaging.

FORBES: Magazine Article

For the new research, published in the Archives of General Psychiatry, David Tolin of the Institute of Living in Hartford, Connecticut, recruited 107 people for brain scans using functional magnetic resonance imaging (fMRI).

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It's based on his work using functional magnetic resonance imaging brain scans that first demonstrated that, when people are asked to imagine themselves in retirement, the parts of their brains that usually "light up" when they think about themselves don't light up at all.

FORBES: Magazine Article