Inquiry on Accessing and Identifying Post-2021 HCP T1w MRI Data

[Hengameh Marzbani]

Hello dear HCP team

I am working on structural MRI analyses and plan to use HCP T1w MRI data. I am specifically interested in about 400 T1w scans acquired after 2021.

I would appreciate your advice on the following:

1. Which HCP projects or recent releases are most likely to include T1w MRI scans acquired after 2021?
2. Is there a recommended metadata file, documentation, or workflow to efficiently identify scan acquisition dates before downloading?

Thank you for your time and support. I would appreciate any guidance you can provide.

Hengameh

[Elam, Jennifer]

Hi Hengameh,

The AABC data is the only data released on BALSA that was collected post 2021, HCP-YA and the projects on NDA (HCP-Development and CRHD projects) were all collected before 2021. 

When you obtain access to AABC Release 1, in the Selected Subjects section of the project page, use the Event Year and Quarter column to search for events from 2022 and 2023. The filter for a particular year will apply to the imaging packages below so you can download the Structural Recommended, Extended, or Unprocessed just for the subjects sessions collected in a certain year.

Exact scan/data collection dates are not available because they are PHI.

Best,

Jenn

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From: Hengameh Marzbani <marzb...@gmail.com>
Sent: Wednesday, January 14, 2026 3:36 PM
To: HCP-Users <hcp-...@humanconnectome.org>
Subject: [hcp-users] Inquiry on Accessing and Identifying Post-2021 HCP T1w MRI Data

 

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