[Freesurfer] mri_robust_template - MyMatrix::RotationMean Error

2022-07-16 Thread Andrew Beaudin
External Email - Use Caution Hello Freesurfer Experts, I am trying to use mri_robust_template (with its default 6 DOF registration) outside of the Freesurfer longitudinal pipeline to generate within-participant T1 templates from 2 time points. Unfortunately, I am coming up aga

[Freesurfer] Group Analysis - FSGD and Contrast

2022-07-16 Thread Boa Sorte Silva, Narlon
External Email - Use Caution Dear experts, I am conducting a group analysis and wanted to confirm that the set up below accurately addresses our research question. Thanks for your help, much appreciated! Background: * We have two groups (intervention vs control) and two ti

[Freesurfer] Freesurfer MC simulations with fsaverage5

2022-07-16 Thread Zhukovsky, Peter
Dear Freesurfer team, I have a more general question about how best to approach multiple comparison correction for a large dataset where permutations are not viable and where fsaverage resolution is too high. I've fitted a GLM with mri_fitglm in the fsaverage5 space, which results in smaller fil