Hi,
I have two questions:
1. I have created specific surfaces in fsaverage rh for each of my 20 subjects. (xy.mgh) I'd like to run statistical analysis within the common surface area which is included in all subjects. Therefore I wonder how to combine those surfaces. My idea would be to add all surfaces and threshold the resulting surface by 20 ==> giving a final surface common to all of them.
2. How can I limit mri_glmfit to this final surface to run the statistical analysis only in this area, not in all of the hemisphere?
Can anybody provide the appropriate commands for both issues?
Thank you very much!
Best wishes, Robert
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