Re: [Freesurfer] Discrepancy between sig.nii and .w files

2008-12-11 Thread Doug Greve
I just noticed this about a week ago and have not been able to track it down. The w file (or anything created by mri_vol2surf, which is run by paint-sess) is the gold standard. When tksurfer loads in a volume/registration, it is slightly off. I'm working on why. doug Jesse Friedman wrote: H

[Freesurfer] Discrepancy between sig.nii and .w files

2008-12-11 Thread Jesse Friedman
Hi, I'm using paint-sess to create .w files from a contrast's sig map (I need the .w files for use with MNE). When I view the sig.nii file in tksurfer, the activation differs subtly but noticeably from the .w files. For example, I'll run a command like: paint-sess -analysis EC -contrast eVc -off