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ADHD200
"Attention Deficit Hyperactivity Disorder (ADHD) affects at least 5-10% of school-age children and is associated with substantial lifelong impairment, with annual direct costs exceeding $36 billion/year in the US. Despite a voluminous empirical literature, the scientific community remains without a comprehensive model of the pathophysiology of ADHD. Further, the clinical community remains without objective biological tools capable of informing the diagnosis of ADHD for an individual or guiding clinicians in their decision-making regarding treatment.
The ADHD-200 Sample is a grassroots initiative, dedicated to accelerating the scientific community's understanding of the neural basis of ADHD through the implementation of open data-sharing and discovery-based science. Towards this goal, we are pleased to announce the unrestricted public release of 776 resting-state fMRI and anatomical datasets aggregated across 8 independent imaging sites, 491 of which were obtained from typically developing individuals and 285 in children and adolescents with ADHD (ages: 7-21 years old). Accompanying phenotypic information includes: diagnostic status, dimensional ADHD symptom measures, age, sex, intelligence quotient (IQ) and lifetime medication status. Preliminary quality control assessments (usable vs. questionable) based upon visual timeseries inspection are included for all resting state fMRI scans."
- fMRI Data Available on S3 bucket: ADHD200/Outputs/fmriprep/fmriprep
- N = 491 of which were obtained from typically developing individuals and 285 in children and adolescents with ADHD
- BIDS: 1.1.1 / 1.4.2
- fMRIPrep: 1.2.5 (Dec 2018) - re-running latest version on Compute Canada
- Phenotypic key
Neuroimaging/open-data
- Peking_2 missing from pheno data
- OHSU missing from neuro data
- MRI shape: 626, 1260
- Pheno shape: 667, 29
- Combined shape (left on MRI): 418, 1288