[Freesurfer] what is the prerequisite of cc in cortparc?

2008-01-22 Thread walhovd
Hi I have a dataset originally processed with the Autumn 2005 FS version (2.2?). I know need wm segs, and in order to get this, I've tried to run -cortribbon -cortparc -cortparc2 -aparc2aseg -wmparc But the cc doesn't get labeled in the cortparc, and consequently (?) not in the wmparc either. I

Re: [Freesurfer] what is the prerequisite of cc in cortparc?

2008-01-22 Thread Bruce Fischl
Hi Kristine, you can just run mri_cc directly if you want: mri_cc -o aseg_with_cc.mgz $subject cheers, Bruce On Tue, 22 Jan 2008 [EMAIL PROTECTED] wrote: Hi I have a dataset originally processed with the Autumn 2005 FS version (2.2?). I know need wm segs, and in order to get this, I've tri

Re: [Freesurfer] what is the prerequisite of cc in cortparc?

2008-01-22 Thread k . b . walhovd
Thanks! The MRI_cc works fine. It's just that I want to use the entire wmparc, and I worry that it may be skewed when the cc is not in there. The cingulate parcellations look a little off. Do you think there's any step in -autorecon2 (before -cortribbon) after the aseg I might try to start reproce

[Freesurfer] recommended scan parameters

2008-01-22 Thread Sebastian Moeller
Dear Experts, after ages of monkey scanning, we recently also included human subjects in our study. I would like to use freesurfer for surface reconstruction, mainly as "canvas" for the display of activation maps. While functional scans seem to be reasonable, the anatomicals taken on our S

Re: [Freesurfer] recommended scan parameters

2008-01-22 Thread Bruce Fischl
Hi Sebastian, we put together some Allegra-specific postprocessing tools that helped for Mike Chee (ccd). Maybe Mike can give you the benefit of his experience? cheers, Bruce On Tue, 22 Jan 2008, Sebastian Moeller wrote: Dear Experts, after ages of monkey scanning, we recently also include

Re: [Freesurfer] recommended scan parameters

2008-01-22 Thread Sebastian Moeller
Hi Bruce, thanks for your quick response. On Jan 22, 2008, at 3:06 PM, Bruce Fischl wrote: Hi Sebastian, we put together some Allegra-specific postprocessing tools that helped for Mike Chee (ccd). Maybe Mike can give you the benefit of his experience? That would be marvellous. Th

Re: [Freesurfer] what is the prerequisite of cc in cortparc?

2008-01-22 Thread Bruce Fischl
Hi Kristine, I'll leave this for Nick and Doug. Bruce On Tue, 22 Jan 2008 [EMAIL PROTECTED] wrote: Thanks! The MRI_cc works fine. It's just that I want to use the entire wmparc, and I worry that it may be skewed when the cc is not in there. The cingulate parcellations look a little off. Do

Re: [Freesurfer] what is the prerequisite of cc in cortparc?

2008-01-22 Thread Allison Stevens
Kristine, You should be able to use -ccseg which occurs after the aseg is created in -autorecon2. First, you will need to copy your aseg.mgz to aseg.auto.mgz as this is the file that -ccseg will work on (in the dev version of FS, it uses the aseg.mgz). Allison On Tue, 22 Jan 2008 [EMAIL P

[Freesurfer] losing aseg edits

2008-01-22 Thread Michael Harms
Hello, Kristine's earlier post got me wondering why she was "losing" any previous aseg edits if her data were re-processed under FS v4, since it was my simple understanding that all edits (e.g., control points, brainmaks, talairach, white matter, aseg) are intended to be preserved, unless you expl

Re: [Freesurfer] recommended scan parameters

2008-01-22 Thread Sebastian Moeller
Hi Michael, On Jan 22, 2008, at 4:18 PM, Michael Chee wrote: Hi Sebastian and Bruce, I'll respond by the end of the week as I have some things to tend to presently. Cool, thanks a lot and no hurry (no(t much) time this week either for testing/acquiring new anatomical scans myself). ahoi &

RE: [Freesurfer] Creating average overlays for time-varying data (MEG)

2008-01-22 Thread Don Hagler
If you have problems writing out mgh files with 14x1x1x500 volumes, maybe you need more memory (>=2GB?). Or a 64 bit machine? Or you could downsample your time courses if you haven't already. I do use matlab to convert decimated source time course files (stc) to mgh. Before writing out

Re: [Freesurfer] Creating average overlays for time-varying data (MEG)

2008-01-22 Thread Doug Greve
Hi Don, have you tried using mri_surf2surf with --mapmethod nnf ? That will prevent the interpolation and map each ico4 to the nearest ico7. doug Don Hagler wrote: If you have problems writing out mgh files with 14x1x1x500 volumes, maybe you need more memory (>=2GB?). Or a 64 bit mach