Page Last Updated: October 10, 2025

Upcoming Updates🔗

Release 1.1 (Expected Release Date: 2025-10-10)🔗

1.1 Resolution of Known Issues Labeled Expected Fix: R1.1🔗

1.1 Improvements to Existing Data🔗

Domain Measure Table Name Update
MRI BrainSwipes QC img_brainswipes* Addition of QC scores for participants with missing QC results (N=8).
PEX Pregnancy & Infant Health pex_bm_health* Medications will be categorized using RxNorm IDs, with added columns for Brand Name, Ingredient, Precise Ingredient, and Multiple Active Ingredients, to support more clear and granular analyses.
SED V01 Demographics sed_bm_demo Inclusion of Birth Parent Sexual Orientation - "Which of the following best represents how you think of yourself?"
• Gay/Lesbian
• Straight; that is, not gay or lesbian, etc.
• None of these describe me, and I'd like to see additional options Note: Further information on this response option (via branching logic) will not be included in release.
• Don't know
• Decline to answer
• Bisexual


Release 2.0 (Expected Release Date: December 2025)🔗

2.0 Resolution of Known Issues Labeled Expected Fix: R2.0🔗

2.0 Participant Data Updates🔗

# Update Details
1 Inclusion of Multiple Birth Participants MBPs includes twins or other cases where multiple participants from the same birth are enrolled in the study
2 Inclusion of Postnatal Recruits PNRs, participants who joined the study in the postnatal period, complete a modified V01 and V02 after the child is born

2.0 New Tabulated Data🔗

Domain Name of Instrument Construct
Behavior, Biology, & Environment
Behavior & CG-Child Interaction Early Regulation in Context Assessment (ERICA) Co-regulation, Child Regulation/Dysregulation, Parenting
Biospec & Omics Maternal Blood Metals, nutrition, toxins, proteins
Neurocog & Language NIH Baby Toolbox Cognitive/Executive Function/Memory & Language
Social & Env Determinants Geocoding & Linking External Data (GLED) Toxin Exposure and Other Neighborhood Measures
Brain Activity - MRI & EEG
MRI Pre-Scan Survey Sleeping Scan Prep
Recruitment & Retention
Recruitment/Retention Study Navigators Contact Form Recruitment/Retention
Transitions in Care (TIC) Screener Recruitment/Retention

2.0 Brain Imaging File-Based Data Updates🔗

# Update Details
1 DICOMs Addition of source DICOMs to file-based data for raw BIDS for all imaging modalities
2 V03+ structural and functional MRI derivatives Processed Infant fMRIPrep and XCP-D derivatives for visits V03+
3 MRI Scanner Information MRI Scanner Information for all scanners used at each site will be added to the sub-<ID>_ses-<V0X>_scans.tsv file (see details), including ScannerManufacturer, ScannerModel, ScannerSoftwareVersion, and ScannerSerialNumber (used to differentiate different scanners at the same site). Note that this information is currently available in the sidecar JSON files that accompany the raw image data, e.g.: 
        hbcd/
        |__ rawdata/ 
            |__ sub-<ID>/
                |__ ses-<V0X>/
                    |__ anat/
                        |__ sub-<ID>_ses-<V0X>_run-<X>_T1w.json

2.0 Improvements to Existing Data🔗

Domain Measure Table Name Update
Physical Health Growth ph_ch_anthro Inclusion of age-based height/weight/head z-scores calculated based on (non-jittered) date of birth