[Freesurfer] Designing Constrats for 3 Group 1 Covariate Analysis

External Email - Use Caution Dear freesurfers, I have what is likely a basic question but I'm new not only to FreeSurfer but contrast matrix design and group analysis as well, and was hoping for some help/clarification. Basically I want to run a GLM on our structural/function

[Freesurfer] Extracting PET Binding Values from Inflated Surface

External Email - Use Caution Hi Doug, I have a question surrounding our attempts to extract PET binding values (BPND/DVR) which have been first transformed into FS subject space, mapped to the cortical surface using mri_vol2surf (signal averaged over the middle 80% of the corti