Hello Freesurfer Experts, I was running permutation simulations on cortical thickness data and I had an issue with non-orthogonal covariates with mri_glmfit-sim -perm. I then tried FSL's PALM which is an extension of randomize to calculate threshold free stats. I saved the output as logp(which is similar to qdec I believe), however I have not been able to load the stats files correctly. The output of palm is lh.thickness_tfce.mgz for my various contrasts.
1) Is .mgz the proper format for the stats files or do I need to convert this to another type like .mgh etc? 2) Can I display this in freeview or is another program needed? I also tried tksurfer but when I loaded the stats file as an overlay nothing displayed. I want to make sure that the stats is loaded as an overlay in freeview/tksurfer and if so, do I need to select anything special so that it scales the logp values correctly? Thanks, Ajay
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