Hello, i used this code:

mri_vol2surf --src /home/neuroimage/fsl/FreeSurfer/AAL.nii --regheader MNI --projfrac 0.5 --hemi lh --out /home/neuroimage/fsl/FreeSurfer/AAL-lh.mgh

Also i tried to map the AAL into the surface of fsaverage with:

mri_vol2surf --mov /home/neuroimage/fsl/FreeSurfer/AAL.nii --reg /home/neuroimage/fsl/FreeSurfer/fsaverage_AAL/AAL_MNI2fsaverage.dat --projdist-max 0 1 0.1 --interp nearest --hemi rh --out rh_fsaverageAAL.mgh

The regions of the 2 methods are pretty similar but both have some holes into the ROIs

El dom, 13 dic 2020 a las 18:50, Greve, Douglas N.,Ph.D. (<DGREVE@mgh.harvard.edu>) escribió:

This might be the way it is given that the AAL is volume-based and you are trying to put it on the surface. What is your vol2surf command?

On 12/10/2020 6:59 AM, Alberto Del Cerro Leon wrote:
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Hello Freesurfer team
With your help i obtained a AAL atlas on the surface and 1 label for each region. However, when I load the label into the inflate image, I obtain something like the one submitted in this e-mail. I expected a solid ROI on the surface to obtain the volume, curvature, etc of the entire region. It's something wrong? I am loading the label in an incorrect way?

The image represent the label of the anterior cingulate into the inflated image
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