I would like to do a GLM volume based analysis using the cortical volumes from desikan atlas (structural not functional). However, I can't find the steps/tutorials on how to do this on the freesurfer website. Does anyone know how to do this using freesurfer? Basically, I want to perform analysis similar to surface based cortical thickness (
https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/GroupAnalysis). Thank you.