Now I Know My ABCD

The purpose of this website is to centralize helpful resources, bug fixes, tutorial vignettes, and other information for users of the ABCD dataset.

This website was created as part of a 2022 Neurohackademy hackathon project.

Updated October 2026

ABCD data are now distributed through the NIH Brain Development Cohorts (NBDC) Data Hub (current release: 7.0). New to ABCD or coming back after the move from NDA? Start with the quick start or the full Working with ABCD data guide, covering access, downloads, tools, dissemination, and best practices.

This website was originally written in English. If you wish to translate any page on this site, please use the Google Translate widget embedded at the bottom of the page.

General info

• User Manual
• ABCD Discussion Board
• How to contribute
• Now I Know My ABCD

Working with ABCD data

• Getting started with ABCD: quick start
• Working with ABCD data: start here
  • Getting access: the Data Use Certification (DUC)
  • Accessing the data: what’s where
  • Downloading the data
  • Working with the data: tools & packages
  • Disseminating your work
  • Best-practice guides (peer-reviewed reading list)

Resources

• ABCD tools & resources
• Methods & open-science toolkit

News

• ABCD news & new papers