Re: [Freesurfer] CBF map computed on surface and projected on fsaverage

2014-08-21 Thread Matthieu Vanhoutte
Thank you Doug for this reply ! Best, - Matthieu Vanhoutte, MSc Research Engineer - Department of Neuroradiology Regional University Hospital, Lille, France 2014-08-19 16:55 GMT+02:00 Douglas Greve gr...@nmr.mgh.harvard.edu: By using --sfmt curv and

Re: [Freesurfer] no improvement for recon-all result after edits

2014-08-21 Thread Tirrell, Lee
Hi Jidan, Can you upload one of these subjects so I can take a look? You can use these options to upload data: https://surfer.nmr.mgh.harvard.edu/fswiki/FtpFileExchange https://www.nmr.mgh.harvard.edu/facility/filedrop/index.html Best, Lee From:

Re: [Freesurfer] Left and Right Vessels

2014-08-21 Thread Bruce Fischl
Hi Mohammed these are dark regions, usually in inferior pallidum/putamen. There intensity is different enough from gray matter that having it be a separate class helps us label them more accurately. They could also be lacunae and not vessels. cheers Bruce On Tue, 19 Aug 2014, Mohammed

Re: [Freesurfer] labelled tissue segmentation mask back to native

2014-08-21 Thread Bruce Fischl
Hi Alejandra you can do: mri_convert -rt nearest -rl rawavg.mgz aseg.mgz aseg.rawavg.mgz this will put it back in the scanner coordinates. Note that all of our results are in subject space (not e.g. MNI), but they are in slightly different (conformed) voxel coords. cheers Bruce p.s. -rt

Re: [Freesurfer] brainmask error

2014-08-21 Thread Bruce Fischl
Hi Mads what does it look like if you move off the mideline? Or check a coronal view? Sagittal views of the midline are notoriously bad for judging skull stripping accuracy cheers Bruce On Tue, 19 Aug 2014, Mads Jensen wrote: Dear list, I have problem with the brainmask from a subject

[Freesurfer] tracula: bvec-error

2014-08-21 Thread Robby De Pauw
Dear FreeSurfer,When I try to use TRACULA I keep getting the following error:mv -f /Users/rdpauw/Desktop/SUBJECTS_FS/T1/INP_080_LISA_V_1/dmri/dwi_orig_flip.mghdti.bvecs /Users/rdpauw/Desktop/SUBJECTS_FS/T1/INP_080_LISA_V_1/dmri/bvecsmv: rename

Re: [Freesurfer] Creating lower resolution surface models

2014-08-21 Thread Bruce Fischl
Hi Nicholas I'll cc Matti Hamalainen who should be able to help you, as he does this kind of thing routinely within his MNE package. cheers Bruce On Wed, 20 Aug 2014, Nicholas Heugel wrote: I am running analysis where I am taking fMRI data using Freesurfer to project it onto the cortical

[Freesurfer] head surface

2014-08-21 Thread Meryem Ayse Yucel
Hi freesurfer community, I am trying to get faces and vertices of the head surface mesh in Matlab. freesurfer_read_surf works perfectly when I extract faces and vertices for the pial surface (from lh.pial), but I get an unknown magic number in surface file error when I use the same function for

Re: [Freesurfer] GLM: Error Matric-Scale

2014-08-21 Thread Douglas N Greve
It looks like your fsgd file may have been created on a windows computer. Is that possible? Try reformatting it in linux or mac. doug On 08/20/2014 12:58 PM, Robby De Pauw wrote: Hi there FreeSurfer When trying the GLM-analysis I keep getting the following error. Could you help me

Re: [Freesurfer] GLM: Error Matric-Scale

2014-08-21 Thread Douglas N Greve
One thing you can try is to run this: cat whiplash.fsgd | sed 's/\r/\n/g' new.whiplash.fsgd doug On 08/21/2014 01:30 PM, Douglas N Greve wrote: It looks like your fsgd file may have been created on a windows computer. Is that possible? Try reformatting it in linux or mac. doug On

Re: [Freesurfer] Extracting Group Means for Cortical Thickness

2014-08-21 Thread Douglas N Greve
Create a label of the cluster, then run mri_segstats --slabel fsaverage lh /path/to/your.label --i y.mgh --id 1 --avgwf cluster.dat where y.mgh is the file created by qdec in the qdec output folder and make sure to use the full path to the label. The output will be cluster.dat and it will

[Freesurfer] error in pre-processing in TRACULA

2014-08-21 Thread 渡辺杏里
Dear TRACULA experts Hello. I am running TRACULA, but it exited an error very early in pre-processing. My data is not a format in DICOM but .nii, does this cause the error? I set the dcmlist to .nii file (in attachment). Could anyone help me? This is the error log and I attached the

Re: [Freesurfer] mean cortical thickness on N ROIs

2014-08-21 Thread Douglas Greve
I think the right way is to weight by the area, but for those 3 I bet it makes almost no difference. doug On 8/20/14 5:34 AM, elisa veronese wrote: Dear FreeSurfers, suppose I should estimate the mean cortical thickness on a number N of ROIs (for instance, the left inferior temporal, the