HI Melly:

I assume that you have run your brains through the FreeSurfer recons. Once you have done this and made corrections to the surfaces, run your brains through a post processing step as below:

recon-all -s <subj> -localGI

This will give you gyrification indices for all lobes across the brain.

Check this URL for more info:

https://surfer.nmr.mgh.harvard.edu/fswiki/LGI

best,

Alan

On Wed, Sep 3, 2014 at 6:39 AM, melinda dora mellydora@outlook.com wrote:

Dear list, how would I get gyrification for the prefrotnal cortex? there is no annotation for this structure? Do I need to make my own? and if so, how?

best,

Melly

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