Changes in brain connections visible on MRI scans could represent an imaging biomarker of Alzheimer’s disease, according to a new study presented at the annual meeting of the Radiological Society of North America.

For the new study, researchers looked at the ‘s structural connectome, a map of white matter tracts that carry signals between different areas of the brain.

Researchers analyzed results from 102 patients enrolled in a national study called the Alzheimer’s Disease Neuroimaging Initiative (ADNI) 2. The patients had undergone diffusion tensor imaging, an MRI method that assesses the integrity of white matter tracts in the brain by measuring how easy it is for water to move along them

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