[Freesurfer] FW: convert (resample) fsaverage/mri/aseg.mgz into $FSLDIR Nifti with MNI152_T1_1mm target - aparc+aseg.mgz problem

2013-11-05 Thread Roderick McColl
--reg transforms/reg.mni152.1mm.dat --o aparc_aseg_mni152.nii.gz -roddy From: Douglas N Greve [gr...@nmr.mgh.harvard.edu] Sent: Tuesday, November 05, 2013 5:21 PM To: Roderick McColl; Freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] convert (resample

[Freesurfer] convert (resample) fsaverage/mri/aseg.mgz into $FSLDIR Nifti with MNI152_T1_1mm target

2013-11-04 Thread Roderick McColl
I am obviously using mri_vol2vol incorrectly but I'm stumped. Goal is to get the $SUBJECTS/fsaverage/mri/aseg.mgz file into the FSL MNI152 space to do some fslmaths. From looking around it seemed the command to accomplish this is (inside $SUBJECTS/fsaverage/mri) mri_vol2vol --targ

Re: [Freesurfer] convert (resample) fsaverage/mri/aseg.mgz into $FSLDIR Nifti with MNI152_T1_1mm target - aparc+aseg.mgz problem

2013-11-04 Thread Roderick McColl
left) has the A/P labels the opposite of the image slice. Thanks for any advice -roddy From: freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Roderick McColl [roderick.mcc...@utsouthwestern.edu] Sent: Monday

[Freesurfer] Convert aseg.mgz to .nii and into MNI space with FSL dimensions

2013-02-13 Thread Roderick McColl
Hello all, I have a need to generate LH and RH WM masks for analysis. I can convert aseg.mgz to aseg.nii but the dims are 256x256x256 and I need to use the FSL MNI format which is 182x218x182. Is there a recipe for cropping / translating etc to match the aseg.mgz atlas with the FSL atlases?

Re: [Freesurfer] Tool for incorporating T2-SPACE data in pial surface recons?

2012-11-21 Thread Roderick McColl
Would this new tool also be able to provide a better delineation of both pial surface and inner table of the skull (assuming T2 and not FLAIR i.e. hyperintense CSF)) and thus provide the possibility of computing extra-ventricular CSF and thus cerebral atrophy? Some of us would like that I'm sure

Re: [Freesurfer] mri_watershed for inner_skull_surface question

2011-09-22 Thread Roderick McColl
Hi Bruce, Thanks for responding. We do have T2, but not PD. Of course the resolution of the T2 is much lower (5mm slices). -roddy -Original Message- From: Bruce Fischl [mailto:fis...@nmr.mgh.harvard.edu] Sent: Wednesday, September 21, 2011 7:54 AM To: Roderick McColl; Matti Hamalainen

[Freesurfer] mri_watershed for inner_skull_surface question

2011-09-20 Thread Roderick McColl
Hi all, Trying to get mri_watershed to give me a good inner_skull_surface, which I want to combine with the pial surface to estimate sulcal CSF, as I don't see any other way. Unfortunately the data I have tested on all generate unreliable inner_skull surfaces. Can anyone provide a tip for