[Freesurfer] osgm and correction for multiple comparisons

Dear Freesurfer experts, I've calculated a I used the mri_glmfit for a one-sample group means (osgm) analysis: mri_glmfit --y Tatool_lh_thickness.15.mgh --fsgd FSGD.txt --glmdir Tatool_Thickness_LH.glmdir --surf average lh --osgm --cortex with following FSGD file: GroupDescriptorFile 1 T

[Freesurfer] mri_glmfit-sim on longitudinal data

Hi, I have read the Freesurfer Tutorial, but there is still something I do not understand. I want to run the mri_glmfit-sim command on our data. I have one sample (10 subjects), which were examined at 2 different timepoints. I tried to use this command: mri_glmfit-sim --glmdir Plast_injury