Overview
The OASIS – Open Access Series of Imaging Studies project provides freely accessible neuroimaging datasets spanning healthy aging and Alzheimer’s disease. It includes multiple sub-datasets: OASIS‑1 (cross-sectional), OASIS‑2 (longitudinal), OASIS‑3 (multimodal: MRI, PET, clinical, biomarkers), and OASIS‑4 (clinical memory-impaired cohort)
Official Website: sites.wustl.edu/oasisbrain
Data Status: Processing all imaging data is underway and scheduled.