Dear freeSurfer,

Thank you. I can use mris_anatomical_stats for the labels that are already defined, but when I want to define a new label, it does not work. 

My first problem is that when I define a new label on fsaverage, it does not save it for me and it gives me the following error: 

mghRead(/Applications/freesurfer/experimental_data/TG/fsaverage/mri/wm.mgz, -1): could not open file
/Applications/freesurfer/Freeview.app/Contents/MacOS/Freeview: could not open label file /Applications/freesurfer/subjects/fsaverage/label/ROI_test.label

I intend to define a new label (ROI) on fsaverage and then use the mri_labe2label command to copy it on my desired structural MRI image. But it does not work for me.

My second problem is that when I define a new label on my subject's MRI image and I run the mri_anatomical_stats with the label of my subject, it does not give me any output and this is what I get:

bash-3.2$ mris_anatomical_stats -l anon/label/lh.test.label anon lh
limiting computations to label anon/label/lh.test.label.
reading volume /Applications/freesurfer/experimental_data/TG//anon/mri/wm.mgz...
reading input surface /Applications/freesurfer/experimental_data/TG//anon/surf/lh.white...
reading input pial surface /Applications/freesurfer/experimental_data/TG//anon/surf/lh.pial...
reading input white surface /Applications/freesurfer/experimental_data/TG//anon/surf/lh.white...

and the error is that it could not find the file lh.test.label, however I can see it in the label folder.


Please guide me with this issue.

Best Regards,
Mahtab.



On 6 May 2016 at 16:45, Douglas N Greve <greve@nmr.mgh.harvard.edu> wrote:
If you have a label, then you can use mris_anatomical_stats with the -l
option
doug

On 05/06/2016 10:01 AM, Mahtab Farahbakhsh wrote:
> Dear FreeSurfer,
>
> I am trying to find the cortical thickness of my ROI which is the
> perisylvian region of the left hemisphere. What I did was to define a
> label based on the anatomical area of this region and tried to define
> a ROI based on this label and the command -mri_label2volume. Howevere,
> I am using freeview and the tutorial that I found about this issue was
> based on tkmedit. Would you please guide me how I should get this done?
>
> Best Regards,
> Mahtab Farahbakhsh.
>
>
>
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--
Douglas N. Greve, Ph.D.
MGH-NMR Center
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