You can run mris_preproc to get a stack of the thicknesses (one frame for each subject), then run mri_concat stack.mgz --mean --o mean.mgz Then load the mean with tksurferfv fsaverage lh inflated -aparc -ov mean.mgz -fminmax .01 3

On 1/15/2022 7:37 PM, Fischl, Bruce wrote:

Hi Rahul

If you have run the qcache stuff you can just run mri_average on all the individual subject thickness files since they are all mapped to fsaverage, then display them on fsaverage

Cheers

Bruce

*From:* freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edu *On Behalf Of *Yash Patel *Sent:* Saturday, January 15, 2022 6:44 PM *To:* Freesurfer support list freesurfer@nmr.mgh.harvard.edu *Subject:* Re: [Freesurfer] Visualization of data

*        External Email - Use Caution *

Hi Rahul,

If you fancy R… see blow

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Cheers

Yash

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On Jan 14, 2022, at 3:36 PM, Paul, Rahul <RPAUL7@mgh.harvard.edu>
wrote:

Hi FreeSurfer experts,

I have a dataset of 60 patients. Is there a way to visualize the
average cortical thickness/area for my dataset?

Thank you in advance.

Rahul

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