ADHD-200

Age range: 7-21
Sample size: N=776
Cross-sectional (longitudinal subset N=369)
- 491 typically-developing, 285 with ADHD
Collected across 8 sites (3T Siemens)
Accessible through NITRC
Neuroimaging Measures
- Structural MRI
- Resting state fMRI (1-4 scans, 3-9 min each)
Other available measures
- ADHD diagnostic status & dimensional symptom measures
- Cognitive: IQ