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OASIS Brains

Washington University School of Medicine
HDB-0053

OASIS is a project providing four open-access collections of neuroimaging data from over 1,500 subjects spanning lifespan and disease states including normal aging and Alzheimer's disease. The datasets include multiple modalities (T1/T2-weighted MRI, FLAIR, PET) and longitudinal follow-up data from individual subjects.

Category
Open dataset
Access
Free registration
Region
US
Size
1,500+ subjects
License / terms
ODC-by (Open Data Commons Attribution)
Data types
imaging, neuroimaging, MRI, PET
brain-imagingAlzheimer'sneuroimaginglongitudinalMRI
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Record HDB-0053 · last verified 2026-08-05 · listed in Open datasets

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