[Freesurfer] Creating Anatomical ROI with mri_volsynth

2020-08-18 Thread Mauricio Watanabe Ribeiro
External Email - Use Caution Hello Freesurfer Experts, I'm trying to create a ROI based on the peak from a paper. The peak on MNI305 is X=22; Y=-71; Z=22 to use the mri_volsynth I transformed the CRS from MNI to rh.thickness with the formula: Vrh.thickness*inv(Trh.thickness)*R*T30

Re: [Freesurfer] Creating Anatomical ROI with mri_volsynth

2020-08-19 Thread Douglas N. Greve
rh.thickness is a surface overlay, not a volume (which is needed for the commands you are running). I'm a little confused by what you are trying to do. Do you want an volume ROI or a surface ROI? On 8/18/2020 8:13 PM, Mauricio Watanabe Ribeiro wrote: External Email - Use Caution Hell

Re: [Freesurfer] Creating Anatomical ROI with mri_volsynth

2020-08-19 Thread Mauricio Watanabe Ribeiro
External Email - Use Caution Hi Douglas, I want a ROI for measuring thickness. I have the peak difference on the MNI305 and its area. So I was trying to create a spherical volume starting at the peak and then transform it to the surface. I'm able to create the surface and see it on

Re: [Freesurfer] Creating Anatomical ROI with mri_volsynth

2020-08-19 Thread Mauricio Watanabe Ribeiro
External Email - Use Caution Actually I believe that I should just use the mri_vol2surf using the volume I created. But I don't know how to proceed. I tried fslregister --s fsaverage --mov $SUBJECTS_DIR/fsaverage/mri/MNI305.cor.mgz --reg ROI.dat to have a register data to use at mr

Re: [Freesurfer] Creating Anatomical ROI with mri_volsynth

2020-08-20 Thread Douglas N. Greve
First, determine which voxel (col, row, slice) you want your delta to be in, then specify this with --delta-crsf col row slice 0 On 8/19/2020 9:57 PM, Mauricio Watanabe Ribeiro wrote: External Email - Use Caution Actually I believe that I should just use the mri_vol2surf using the v