Re: [Freesurfer] question on partial volume correction

2020-05-21 Thread Douglas N. Greve
-8823 *From:* freesurfer-boun...@nmr.mgh.harvard.edu on behalf of Douglas N. Greve *Sent:* Thursday, May 21, 2020 10:32 AM *To:* freesurfer@nmr.mgh.harvard.edu *Subject:* Re: [Freesurfer] question on partial volume correction It will certainly do cortex. We do not

Re: [Freesurfer] question on partial volume correction

2020-05-21 Thread Barletta, Valeria
From: freesurfer-boun...@nmr.mgh.harvard.edu on behalf of Douglas N. Greve Sent: Thursday, May 21, 2020 10:32 AM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] question on partial volume correction It will certainly do cortex. We do not have a

Re: [Freesurfer] question on partial volume correction

2020-05-21 Thread Douglas N. Greve
It will certainly do cortex. We do not have a segmentation for subarachnoid spaces. Or are you just talking about extra cerebral CSF? We do have a segmentation for xCSF, but it is not the most beautiful thing in the world. For WM, the GTM will give you a PVC corrected value for the entire lh an

[Freesurfer] question on partial volume correction

2020-05-21 Thread Barletta, Valeria
Dear Freesurfers, We need to analyze PET data after correcting for partial volume effect in the cortex, white matter and subarachnoid space. Is Freesurfer's partial volume correction working on all these areas or only the grey matter volume and surface? Is there a way to use gtmseg on the white

[Freesurfer] question on partial volume correction

2020-05-19 Thread Barletta, Valeria
Dear Freesurfers, We need to analyze PET data after correcting for partial volume effect in the cortex, white matter and subarachnoid space. Is Freesurfer's partial volume correction working on all these areas or only the grey matter volume and surface? Is there a way to use gtmseg on the white