Re: [Freesurfer] Dura classified as GM in brainmask

2017-12-13 Thread FSL Analysis
Hi Bruce, Thank you for your reply. I am using 5.3.0 version. Do I still only correct misclassified GM voxels in the brainmask? For the subjects with brain classified as cerebral cortex in the aseg file which is outside of the pial surface (but present in the brainmask) how do I correct this:

Re: [Freesurfer] Dura classified as GM in brainmask

2017-12-13 Thread Bruce Fischl
Hi Ciara what version are you running? I think you only need to correct voxels that cause the white and/or pial surfaces to be incorrect, as we correct the aseg with them (at least I think we do in v6) cheers Bruce On Wed, 13 Dec 2017, FSL Analysis wrote: Hi again, I realize my last quest

Re: [Freesurfer] Dura classified as GM in brainmask

2017-12-13 Thread FSL Analysis
Hi again, I realize my last question about the brainmask did not make sense. I meant to ask if I have to either manually delete all non-brain voxels around the eye area which is very time consuming per subject or just delete those misclassified as GM? ( I check this through the command: tkmedit su

Re: [Freesurfer] Dura classified as GM in brainmask

2017-12-13 Thread FSL Analysis
Hi again, I realize my last question about the brainmask did not make sense. I meant to ask if I have to either manually delete all non-brain voxels around the eye area which is very time consuming per subject or just delete those misclassified as GM? ( I check this through this command: tkmedit s

[Freesurfer] Dura classified as GM in brainmask

2017-12-12 Thread FSL Analysis
Hi all, I have processed data using freesurfer and the output for most of my subjects did not remove all of the eye and dura around it during skull stripping. When I check the brainmask there is dura (or blood vessel) in the frontal lobe that is classified as GM. I am wondering if I have to manua