Re: [Freesurfer] Masking at the individual level

2007-06-04 Thread Doug Greve
I have never masked out out-of-brain voxels. For visualization purposes, I usually mask out in tkmedit by loading the brain.mgz as aux and then applying aux as a mask from the View menu. It is strange that you are getting out-of-brain activation in the group analysis. How close is it to the e

[Freesurfer] Masking at the individual level

2007-06-04 Thread Dan Dillon
Dear FreeSurfers, Quick question about masking. I routinely make a brainmask for each subject and include the mask flag in the mkanalysis (see below), but I note that when I run contrasts and plot results-either for individual subjects or for group-level stuff-I get statistical results for voxe