Re: [Freesurfer] Problem with quantifyHAsubregions.sh

2023-01-23 Thread Iglesias Gonzalez, Juan E.
Dear Georgina, Can you please send me the list of files (a screenshot is also fine) inside the mri directory of any of your subjects, please? Cheers, /Eugenio -- Juan Eugenio Iglesias http://www.jeiglesias.com From: on behalf of Georgina Angelopoulou Reply-To: Freesurfer support list Date:

[Freesurfer] Freesurfer TRACULA Error

2023-01-23 Thread Stylianos Charalampous
External Email - Use Caution Hello FreeSurfer Developers, I am trying to apply TRACULA for the reconstruction of white matter pathways but I am getting an error when running the trac-all command which I haven’t managed to resolve. The TRACULA is applied on an MRI sample from

Re: [Freesurfer] PetSurfer - MG coregister

2023-01-23 Thread Douglas N. Greve
When you load it into freeview, use the aux/bbpet2anat.lta , eg, freeview orig.mgz aseg.mgz mgx.ctxgm.nii.gz:reg=aux/bbpet2anat.lta On 1/17/2023 12:46 PM, Marina Fernández wrote: External Email - Use Caution Dear experts, I am trying to do PVC on FBB-PET images using the following

Re: [Freesurfer] Dijk.m - Freesurfer Dijkstra MATLAB function

2023-01-23 Thread Douglas N. Greve
Hi Sarah, sorry, I don't know where that code came from; it is not being supported. Over the years, things find there way into FS, often from a postdoc or visiting fellow, then they leave and the program becomes orphaned. On 1/18/2023 5:31 PM, Sarah Lavelle wrote: External Email -

[Freesurfer] Multiple comparison correction

2023-01-23 Thread David
External Email - Use Caution Hi Freesurfer experts, I'm very sorry to bother you, but I am very confused with the following questions: My experimental design includes two discrete factors: with three levels (d,m,h); gender (f, m), and two Nvariables So I can

Re: [Freesurfer] mri_segstats question: --avgwf for cross hemisphere ROI

2023-01-23 Thread Douglas N. Greve
Hi Bram, there is not a way to do it with a single command. You could use the aparc+aseg, merge the two hemi labels into one, then run mri_segstats. If you want to stick with pure surface-based analysis, then you'd have to  run mri_segstats twice, then just compute a weighted mean of the two

Re: [Freesurfer] freesufer

2023-01-23 Thread Douglas N. Greve
Try 1 -1 0 -1 1 0 ... 0 1 -1 0 -1 1 ... The first row look for the interaction between dm and fm, the second for mh and fm, then using both will test for an interaction in either On 1/16/2023 12:21 AM, David wrote: External Email - Use Caution Hi Freesurfer experts,     I'm very

Re: [Freesurfer] Quantification of regional volume using external atlas

2023-01-23 Thread Douglas N. Greve
You have to register the atlas to each individual person's space. You can do this with mri_coreg --mov atlas-template-brain.nii.gz --targ brain.mgz  --dof 12 --reg reg.lta Then map the atlas to the subject's space mri_vol2vol --mov atlas.nii.gz --targ brain.mgz --reg reg.lta --interp nearest

[Freesurfer] Problem with quantifyHAsubregions.sh

2023-01-23 Thread Georgina Angelopoulou
External Email - Use Caution Hello Freesurfer experts, I have accomplished hippocampal subfields segmentation using Freesurfer 7.3.2. However, I have trouble when I try to gather all volumes of all subjects in one single txt file. I type quantifyHAsubregions.sh hippoSf T1

Re: [Freesurfer] Two basic questions: brainmask file versions and qcache

2023-01-23 Thread Nolan, Jackson
Hello Emily, If it is to correct the wm/pial surfaces, I would refer you to these tutorials: * Pial surface edits: https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/PialEdits_freeview * White matter surface edits: