[Freesurfer] Applying Wang Atlas to Group Analysis Results in FreeSurfer

2024-01-18 Thread Sujeevini Sujanthan
External Email - Use Caution Hi, I would like to apply the wang atlas over the group activation maps produced from Freesurfer analysis. I would appreciate any guidance/instructions you can offer for how I can do that. Thank you for your time!

Re: [Freesurfer] Issue with mri_brainvol_stats for only some participants

2024-01-18 Thread Huang, Yujing
mri_brainvol_stats reads the following files: mri/aseg.mgz surf/lh.white surf/rh.white surf/lh.pial surf/rh.pial mri/brainmask.mgz mri/transforms/talairach.xfm $FREESURFER_HOME/ASegStatsLUT.txt Can you check if they all exist for your subjects? Any errors if you run 'mri_brainvol_stats ' at

Re: [Freesurfer] SUBJECTS_DIR writing permissions to run hippocampal/amygdala subfields

2024-01-18 Thread Heese, E. van (Eva)
External Email - Use Caution Hi all, Thanks again for your help. We fixed the issue by adding user write permissions for the owner-user in the installation folder (note that the owner of the file in the installation folder is different from the users that we used for testing).

Re: [Freesurfer] Ex-vivo adult brain MRI segmentation and surface analysis

2024-01-18 Thread Douglas N. Greve
That does not look like it is a problem with the input image. Do you have a normal, invivo MRI that you can run samseg on to see if it is just a problem with your platform? On 1/18/2024 3:57 AM, K Eswar wrote: External Email - Use Caution Dear FS community I have an ex-vivo human

Re: [Freesurfer] T1map processing error

2024-01-18 Thread Douglas N. Greve
The way I have done this was do compute T1w images (MPRAGE) through simulations, then run recon-all on that. On 1/17/2024 11:55 AM, Maksim Slivka wrote: External Email - Use Caution Dear FS community, Recently our lab started collecting 3D-QALAS (Cho et al., 2023). Using this

[Freesurfer] Ex-vivo adult brain MRI segmentation and surface analysis

2024-01-18 Thread K Eswar
External Email - Use Caution Dear FS community I have an ex-vivo human adult brain MRI, both in T1 MPRAGE and Fiesta. I have recently come across a paper on MRI segmentation using a function called- samseg. From the webpage(