[Freesurfer] Demeaning for Longitudinal Analyses

2021-06-17 Thread WON JONG CHWA
External Email - Use Caution Dear FreeSurfer experts, I am currently running longitudinal analyses using the paired analysis tutorial for two time points. There are two tests I am trying to run: 1. Calculating significant changes in volume between the two time points, controlling

[Freesurfer] mri_convert help w/ GE Genesis files

2021-06-17 Thread Christopher Mcnorgan
External Email - Use Caution Hi all, I’ve been provided with some data collected on a 1.5T GE scanner from an old published study. The paper doesn’t indicate the scanner model (beyond that it’s a 1.5 GE scanner), but I believe they came from a GE Genesis, based on the .MR file e

[Freesurfer] The specific steps of the mri_surf2surf command

2021-06-17 Thread 1248742467
External Email - Use Caution Hello, Fs I am not familiar with the exact steps of sampling a pre-segment file into the FSAVERAGE5 space. In other words, I am not very familiar with the exact steps of the mri_surf2surf command.___ Freesur

[Freesurfer] T2 T1 registration with mri_robust_register

2021-06-17 Thread Marina Fernández
External Email - Use Caution Dear experts, I would like to co-register T2 to T1 robustly, both images have a resolution of 0.65mm3. Firstly, I tried bbregister with the '--init-rr' flag, but this function doesn't allow to keep the native voxel resolution (i.e., 0.65mm3), changing

[Freesurfer] Problem with Anatomicts in Freesurfer

2021-06-17 Thread Yuqian Chen
External Email - Use Caution Dear Sir or Madam, Hope you are doing well! Thank you very much for your contribution to the freesurfer software which offers great help to research in the neuroimaging area. However, I met a problem when using it and I hope you can help me with it. T