use mri_concat, eg, mri_concat lh.Ctrl*.fsaverage.mgh --mean --o mean.mgh

On 6/4/2019 3:18 PM, Barletta, Valeria wrote:

Dear Freesurfers,

Is there a way to turn N .mgh files in to a single output .mgh file in which each vertex is the mean of the corresponding vertices in my input files?

For example, input lh.Ctrl029.fsaverage.mgh , lh.Ctrl030.fsaverage.mgh , lh.Ctrl031.fsaverage.mgh , lh.Ctrl032.fsaverage.mgh >>> output lh.mean.fsaverage.mgh

Thanks,

Vale

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