ADNI sMRI Eval v0.2
Single-split ADNI structural MRI evaluation dataset. The repository contains one Hugging Face DatasetDict split named eval.
This release keeps all usable processed T1w subject-sessions with matching ADNIMERGE clinical metadata, SynthSeg QC/volume outputs, and brain masks. It is not balanced and includes CN, MCI, and AD labels, with ADNIMERGE Dementia mapped to AD.
Summary from eval_report.json:
- sessions: 6,844
- subjects: 2,042 (mean 3.4 sessions/subject, max 13)
- diagnosis counts: CN 2,560; MCI 2,503; AD 1,781
- sex counts: Female 3,136; Male 3,708
- age: mean 75.4 (range 50.4–95.6)
Load directly from the Hub:
from datasets import load_dataset
dataset = load_dataset("medarc/adni_eval")
eval_ds = dataset["eval"]
Or snapshot the repository and load from disk:
from datasets import load_from_disk
dataset = load_from_disk("/path/to/adni_eval")
eval_ds = dataset["eval"]
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