认知异常的儿童经常做接二连三的测试，包括磁共振成像扫描。

Children with cognitive irregularities are often already subjected to a barrage of tests, including MRI scans.

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这些技术包括磁共振成像(MRI)，正电子成象术(PET)机能性磁共振成像(fMRI)。

These techniques include magnetic resonance imaging (MRI), positron emission tomography (PET), and functional magnetic resonance imaging (fMRI).

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次要终点包括其他各种磁共振成像(MRI)的措施、钆病变的体积、T2和T1黑洞的体积。

Secondary end points included various other magnetic resonance imaging (MRI) measures, including gadolinium lesion volume and T2 and T1 black hole volume.

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