Re: [Freesurfer] ICV smaller than the brain

2011-05-04 Thread Martin Reuter
Hi Jeff, it is the talairach.xfm file you need to check. The wiki says http://surfer.nmr.mgh.harvard.edu/fswiki/eTIV To check the quality of the registration file talairach.xfm file: cd $SUBJECTS_DIR/subject/mri/transforms tkregister2 --xfm talairach.xfm \ --targ $FREESURFER_HOME/average/RB

Re: [Freesurfer] ICV smaller than the brain

2011-05-04 Thread Martin Reuter
Hi jeff. Probably your Talairach registrations fail. There are several different maps. I don't remember which one is the one used for the eTIV but it is documented on the wiki. You probably looked at the wrong transforms. Best Martin Send from my phone On May 4, 2011, at 2:47 AM, Jeff Sadino

[Freesurfer] ICV smaller than the brain

2011-05-03 Thread Jeff Sadino
Hello, I asked a question similar to this last year when working with FS 4.3.1, and I'm hoping that there is something new in FS 5 that can help. I am having a problem where a lot of my subjects' brains are larger than the eICV. In FS 4.3.1, it is happening in about 70/140 subjects, and in FS 5,