Re: [Freesurfer] VentralDC

2009-08-26 Thread Bruce Fischl
ventral diecephalon. It's a mismash of a bunch of different stuff. I think the CMA pubs have more details on it. Bruce On Wed, 26 Aug 2009, Pedro Paulo de Magalhães Oliveira Junior wrote: Sorry for the question but what is VentralDC? I mean what means the acronym

Re: [Freesurfer] VentralDC

2009-08-26 Thread Bruce Fischl
oops "diencephalon" it should have been On Wed, 26 Aug 2009, Pedro Paulo de Magalhães Oliveira Junior wrote: Sorry for the question but what is VentralDC? I mean what means the acronym ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https

Re: [Freesurfer] VentralDC

2009-08-26 Thread Jesse Bledsoe
I believe the acronym stands for ventral diencephalon. Jesse On Wed, Aug 26, 2009 at 8:53 PM, Pedro Paulo de Magalhães Oliveira Junior < p...@netfilter.com.br> wrote: > Sorry for the question but what is VentralDC? I mean what means the acronym > > -- > Enviado do meu celular > > ---

[Freesurfer] VentralDC

2009-08-26 Thread Pedro Paulo de Magalhães Oliveira Junior
Sorry for the question but what is VentralDC? I mean what means the acronym -- Enviado do meu celular --- Pedro Paulo de M. Oliveira Junior Diretor de Operações Netfilter & SpeedComm Telecom --- Novo Netfilter 3.2 www.Netfilter.com.br --- N

Re: [Freesurfer] mri_volcluster --ERROR: you must specify a pos or neg sign with --fwhm

2009-08-26 Thread Douglas N Greve
To use --fwhm you have to specify the sign of the contrast (this implements the gaussian random fields). If a sign is not given in the wiki, can you fix it? doug pkun...@nmr.mgh.harvard.edu wrote: > Hi all, > > I was going through the FSFAST TUTORIAL from wiki( > https://surfer.nmr.mgh.harvard.

Re: [Freesurfer] selxavg3-sess failed

2009-08-26 Thread Douglas N Greve
These are often very hard problems to track down so please send a full bug report surfer.nmr.mgh.harvard.edu/fswiki/BugReporting doug mi...@nmr.mgh.harvard.edu wrote: > Hello All, > > I'm getting an error similar to another some months back. > http://www.mail-archive.com/freesurfer@nmr.mgh.har

Re: [Freesurfer] Recon error

2009-08-26 Thread Rodrigo Zepeda
Thanks. I tried running it on oct and I'm getting another error earlier on recon process. The subjects directory is: /homes/11/rzepeda/Recon I'm using the following command: [oct:~/Recon] (nmr-std-env) recon-all -autorecon1 -autorecon2 -subject MG25_SurferOutput -i MG25/MRI/1.3.12.2.1107.5.2.30

Re: [Freesurfer] Recon error

2009-08-26 Thread Douglas N Greve
Looks like that is a pretty weak computer. Can you run it on a stronger computer? Rodrigo Zepeda wrote: > Hi, > >I'm getting an error trying to run a reconstruction. > > I'm working on multnomah and my subjects directory > is: /autofs/space/multnomah_002/users/Cashlab/ > > I'm using the foll

Re: [Freesurfer] Export .mgh files to volume

2009-08-26 Thread Douglas N Greve
You can use the identity, something like this: mri_surf2vol --identity subjectname --hemi lh --o vol.lh.thickness.nii --surfval lh.thickness --template ../mri/orig.mgz doug Holly Bridge wrote: > We have performed a GLM analysis on pial_lgi surface data between 2 > subject groups. We would like

Re: [Freesurfer] Input/Output to specific atlas space/dimensions?

2009-08-26 Thread Bruce Fischl
yes, that's true. The difference is between the SPGR and the MP-RAGE. If we don't know which it is we have to try to figure out the contrast and noise characteristics (spgr has worse contrast and less noise) On Wed, 26 Aug 2009, Michael Harms wrote: > > Ok, now I'm confused again, because my u

Re: [Freesurfer] Extraction of WM + GM Volumes

2009-08-26 Thread Douglas N Greve
For WM, you can use aparc+aseg.mgz and use indices 2 and 41. Do you want a particular GM or all GM? Ed Gronenschild wrote: > Doug, > > The file "segmentation.mgz" doesn't exist. > I think that you mean that segmentation.mgz stands > for either WM or GM. Can you provide me the > exact file names o

Re: [Freesurfer] a question about mri_convert and mri_vol2vol

2009-08-26 Thread Douglas N Greve
I've just created a new wiki to describe how to do this: https://surfer.nmr.mgh.harvard.edu/fswiki/FsAnat-to-NativeAnat Guang Zeng wrote: > Hi, there, > > I used FreeSurfer pipeline to study a subject, I convert my .nii file to .mgz > file, and then > send it to FreeSurfer pipeline.Everything w

Re: [Freesurfer] Input/Output to specific atlas space/dimensions?

2009-08-26 Thread Michael Harms
Ok, now I'm confused again, because my understanding is that the Andre van de Kouwe mprage, Siemen's default mprage, and the ADNI mprage really are not very different in terms of their contrast. Is that not correct? Assuming they are indeed all similar, are you saying that a modern "ADNI-like" m

Re: [Freesurfer] Input/Output to specific atlas space/dimensions?

2009-08-26 Thread Nick Schmansky
There's also the flag -mpragewhich can be used, intended for the mprage developed by Andre van de Kouwe, which I believe is the same as that now used by Siemens. Nick On Wed, 2009-08-26 at 09:37 -0500, Michael Harms wrote: > No, our current "CAP" MPRAGE at WU on the 3T TimTrio is very simil

[Freesurfer] Export .mgh files to volume

2009-08-26 Thread Holly Bridge
We have performed a GLM analysis on pial_lgi surface data between 2 subject groups. We would like to transform the sig.mgh file back from the average subject surface space to the average subject volume (brainmask.mgz). It would appear we should use mri_surf2vol, but are not clear what our v

[Freesurfer] a question about mri_convert and mri_vol2vol

2009-08-26 Thread Guang Zeng
Hi, there, I used FreeSurfer pipeline to study a subject, I convert my .nii file to .mgz file, and then send it to FreeSurfer pipeline.Everything works well. Now I want to convert the wmparc.mgz back to the space that the original volume was. I tried two command mri_covert wmparc.mgz -rl orig

Re: [Freesurfer] Input/Output to specific atlas space/dimensions?

2009-08-26 Thread Michael Harms
No, our current "CAP" MPRAGE at WU on the 3T TimTrio is very similar to the "ADNI" mprage, so that old flag shouldn't be used. -MH On Wed, 2009-08-26 at 09:24 -0500, Alexander Li Cohen wrote: > Ah I see, > this raises a question then, of whether the optimizations are still > applicable to WU

Re: [Freesurfer] Input/Output to specific atlas space/dimensions?

2009-08-26 Thread Bruce Fischl
if you send us a volume we'll take a look. Basically Randy's mp-rage had significantly darker gray matter than we were used to in SPGR and MPRAGE images. If wm was around 110, I think typical GM is around 75, but Randy's were around 60. cheers, Bruce On Wed, 26 Aug 2009, Alexander Li Cohen

Re: [Freesurfer] Input/Output to specific atlas space/dimensions?

2009-08-26 Thread Alexander Li Cohen
Ah I see, this raises a question then, of whether the optimizations are still applicable to WU acquired MP-RAGE data, as we are currently collecting 3T Trio data, and I believe Randy's data is 1.5T Vision data, however the sequence (our CAP MP-RAGE) is quite similar... can anyone up there

Re: [Freesurfer] Input/Output to specific atlas space/dimensions?

2009-08-26 Thread Bruce Fischl
yes, it was optimized for the mp-rages that Randy B used to collect there, not for example ADNI. On Tue, 25 Aug 2009, Michael Harms wrote: > > I assume that that flag (-washu_mprage) is somewhat antiquated, right? > That is, it was included for an older set of scans (generated at WashU > generate

[Freesurfer] Recon error

2009-08-26 Thread Rodrigo Zepeda
Hi, I'm getting an error trying to run a reconstruction. I'm working on multnomah and my subjects directory is: /autofs/space/multnomah_002/users/Cashlab/ I'm using the following command: [multnomah:Cashlab] (nmr-std-env) recon-all -autorecon1 -autorecon2 -subject MG25_SurferOutput -i MG25/MR

Re: [Freesurfer] Extraction of WM + GM Volumes

2009-08-26 Thread Ed Gronenschild
Doug, The file "segmentation.mgz" doesn't exist. I think that you mean that segmentation.mgz stands for either WM or GM. Can you provide me the exact file names of the final WM and GM segmentations. Ed On 25 Aug 2009, at 17:28, Douglas N Greve wrote: > mri_convert segmentation.mgz segmentation