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Hi all,

We want to use Freesurfer's automatic hippocampal subfield segmentation flag using a T1 and T2 (high resolution hippocampal T2 sequence that is focused on the Medial Temporal Lobe and does not have full coverage of the brain). We previously ran recon-all with just the T1. Is it essential for us to re-run recon-all with both the T1 and the T2 as input or can we simply run the subfields flag and specify the T1 and T2 (which we copied over into the recon-all output directory) there? Will it make a big difference for the resulting subfield volumes?

Thank you very much!

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Zehua Cui|崔泽华, Ph.D.

Post-Doctoral Fellow

Neurocognitive Development Lab

4094 Campus Drive, Biology/Psychology Building

University of Maryland, College Park, MD 20742

Zoom Meeting ID: https://umd.zoom.us/j/8975314130