Re: [Freesurfer] CSF mask with aparc+aseg

2017-11-25 Thread Douglas Greve
We do not currently segment extra cerebral CSF. We will have this segmentation in the next version. On 11/21/17 9:00 AM, Sam D wrote: Hello again FS experts, Has anyone encounter this issue with FS CSF masks I described below? I’ve reposted the issue here. I appreciate the help! I am attem

Re: [Freesurfer] Qdec

2017-11-25 Thread Douglas Greve
Yes, for age and surface area. On 11/23/17 2:05 AM, 郑凤莲 wrote: Hi professors,     I am using Qdec in Freesurfer. I want to study the relationships between age and cortical thickness, age and cortical volume, age and surface area. Is it necessary to corrected by eTIV for volume and surface ar

Re: [Freesurfer] mri_gtmpvc error: failed tissue type check

2017-11-25 Thread Douglas Greve
sorry, can you send me the details again? On 11/21/17 10:24 AM, Klein, Gregory wrote: Hello Donatas and Douglas, Did you ever find a cause and solution for this problem? I too occasionally get this error message, and cannot get the results of mri_gtmpvc for certain subjects. Any suggestion

Re: [Freesurfer] Talairach of ROI and FindClustersAndGotoMax

2017-11-25 Thread Douglas Greve
One of them will be mni305 coordinates, the other an approximation of talairach coordinates. I'd have to dig into the code to see which one was which. On 11/20/17 10:17 AM, Dongsheng Wu wrote: Dear Freesurfer Developers, I have two questions about coordinate of ROI when running the QDEC mod

Re: [Freesurfer] Create mpm label files

2017-11-25 Thread Douglas Greve
Use mri_label2label to create a mask (--outmask), then use mris_apply_reg with --no-rev to map the mask into fsaverage space. With all your subjects' masks in fsaverage space, run mri_concat mask1 mask2 ... --mean --o mask.mean.mgh On 11/20/17 8:40 AM, Luqi Cheng wrote: Dear freesurfer expe

Re: [Freesurfer] contrasts mat file

2017-11-25 Thread Douglas Greve
More covariates follows the same pattern as having one or two coviariates On 11/20/17 9:18 PM, 박경일 wrote: Dear experts, I am trying to perform mri_glmfit to generate images indicating cortical thickness differences between groups. My data has 6 or 7 covariates such age, sex, smoking, hyperte

Re: [Freesurfer] Error finding glmdir with mri_glmfit-sim

2017-11-25 Thread Douglas Greve
what is your full command line and terminal output? On 11/24/17 12:20 PM, Nick Corriveau-Lecavalier wrote: Hi FS team, I ran a mri_glmfit for a 3 groups comparison and now I'm trying to run the cwp correction with mri_glmfit-sim command. When I type in my command, it says: ERROR: cannot

Re: [Freesurfer] Segmentation Volume to Cortical Labels

2017-11-25 Thread Douglas Greve
try mris_seg2annot Run it with --help to get examples On 11/13/17 3:06 PM, Hengda He wrote: Hi Freesurfer Developers, I have a manually edited segmentation of the brain cortical regions, and I want to map it to cortical parcellation labels on both white matter surface and pial surface. So I

Re: [Freesurfer] PET processing seg fault with mri_glmfit --mrtm1

2017-11-25 Thread Douglas Greve
There is not time.dat file. CAn you send it? On 11/13/17 4:28 PM, Conchy PF wrote: Dear Douglas, I did not save the full output from the beginning when I processed this subject. I can send you what I get when I run the mri_glmfit command. If you need this output, I can run another subject