Re: [Freesurfer] Peripheral CSF

hmmm, not exactly sure what you mean, but the aseg is corrected with the topologically corrected surfaces. Note that sampling them into the volume can change the topology though

On Mon, 2 Oct 2017, angel angel wrote:

I see. By the way is aseg.mgz the segmentation after surfaces ? I mean if the topology correction is considered. Thank you!

On Sunday, October 1, 2017, Bruce Fischl fischl@nmr.mgh.harvard.edu wrote: you can't get an accurate estimate of sulcal CSF from just a T1 as you can't distinguish it from other things that are dark, so we don't geenerate a label for it

  cheers
  Bruce
  On Sun, 1 Oct 2017, angel angel wrote:

        Dear FreeSurfer Experts,
        I'm so new to the FreeSurfer. I have seen the CSF segmentation which is
        inside the ventricles in
        aseg.mgz  but i couldn't see the peripheral CSF (the csf outside of cortex).
        I'm wondering how can i
        have it or probably its label?  
        Thank you!