ABCD

The Adolescent Brain Cognitive Development Study is the largest long-term study of brain development and child health in the United States.

• Data Use Certification
• Data Exploration and Analysis Portal (DEAP) with R via NBDCtools (github)

The ABCD ReproNim course provides training for reproducible analyses using the ABCD dataset.

Data/variables can be explored here: https://data-dict.abcdstudy.org/?

Study protocols can be found here: https://abcdstudy.org/scientists/protocols/

And here's an ABCD discussion forum for further questions: https://github.com/now-i-know-my-abcd/docs/discussions

• Age range: currently 9-13
• Sample size: N = 11,880
• Longitudinal
• Excludes neurodevelopmental disorders
• Collected across 21 sites (3T Siemens, GE, and Philips)
• Accessible through NDA
• Neuroimaging Measures
  • Structural MRI
  • DTI
  • Resting state fMRI (2 5-min runs)
  • Task fMRI
    • Emotional N-back
    • StopSignal
    • Monetary Incentive Delay
• Other Available Measures
  • Pubertal Development Scale
  • Psychopathology: KSADS, YSR/ASR
  • Cognitive: NIH Toolbox, BIS/BAS, UPPS
  • Pubertal hormones
  • Genetics