Alzheimer's Disease Neuroimaging Initiative

The ADNI study tracks the progression of the disease using biological markers (biomarkers; for example, chemicals found in blood, or changes to the brain observed in MRI and PET scans), together with clinical measures (cognitive and neuropsychological tests), to assess the brain’s structure and function over the course of three disease states (cognitively normal/unimpaired, mild cognitive impairment, dementia). ADNI provides study data and biospecimens (samples) to qualified researchers worldwid

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