| title: PPMI Mini | |
| tags: | |
| - medical-imaging | |
| - mri | |
| - nifti | |
| - parkinsons | |
| - ppmi | |
| # PPMI Mini | |
| A 1,000-subject PPMI sMRI evaluation subset derived from local BIDS T1w images | |
| and PPMI subject-characteristics metadata. | |
| ## Cohort | |
| - 1,000 subjects / 1,000 scans | |
| - One T1w scan per subject | |
| - Sex: 431 Female / 569 Male | |
| - Diagnosis: CN 226 / PD 357 / Prodromal 356 / SWEDD 61 | |
| ## Features | |
| The dataset has a single `eval` split with embedded NIfTI image bytes in `nifti`. | |
| Brain masks and SynthSeg volumes are intentionally omitted for v0.1. | |