Do you see the same thing in the source BA data (in fsaverage)?
On 11/21/2023 10:22 AM, Marawi, Tulip wrote:
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Dear FreeSurfer developers,
Our research group used the FreeSurfer’s recon-all tool to reconstruct
74 anatomical images from cognitively healthy older individuals and
parcellate the cortex based on the Desikan-Killiany atlas.
However, we are running into a consistent issue with the perirhinal
volumes on the annot stats from BA_exvivo_thresh.stats, where there is
a large discrepancy between the left and right hemispheres (larger
left hemisphere).
Upon visual and numerical investigation, it appears that this could be
due to mis-labelling the right perirhinal vertices as entorhinal,
resulting in an unusually small right perirhinal cortex, and unusually
large right entorhinal cortex.
Could you please clarify why this could be happening, and advise on
next steps?
We have used FreeSurfer 7.1 for this analysis.
Sincerely,
Tulip Marawi
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