[Freesurfer] mutualinfo in flirt T1-MNI registration

2012-05-01 Thread Andi Heckel
Dear Tracula Team, i noticed that TRACULA uses fsl's flirt with mutualinfo as cost function to register the anatomical individual T1 brain (brain_anat.nii.gz) to the MNI152 space T1 template (MNI152_T1_1mm_brain.nii.gz), i.e. for an intramodal registration. I was wondering why mutualinfo

Re: [Freesurfer] mutualinfo in flirt T1-MNI registration

2012-05-01 Thread Anastasia Yendiki
Hi Andi - I'm pretty sure we were already planning to change some of the mutualinfo's to corratio's in the next release, so no, this is in no way an official endorsement! a.y On Tue, 1 May 2012, Andi Heckel wrote: Dear Tracula Team, i noticed that TRACULA uses fsl's flirt with mutualinfo

[Freesurfer] mri_path2label segmentation fault, with recon-all -localGI

2012-05-01 Thread veronica misc
Hi all, I've been getting a segmentation fault and was hoping someone could help/advise. I have been running recon-all -s [subject] -localGI, and eventually I get an segmentation fault (log below). The error occurs with all subjects, running on numerous machines. I remember I was able to run the

Re: [Freesurfer] WM-hypointensities

2012-05-01 Thread Bruce Fischl
Hi Steve it's hard to tell from a single slice. You can disable the wmsa labeling by giving mri_ca_label the switch -nowmsa cheers Bruce On Tue, 1 May 2012, Steven Korycinski wrote: To all, I've been using aseg.stats to gather volumetric data about size of the left caudate for a group of

Re: [Freesurfer] How to fix pial surface looping errors

2012-05-01 Thread Bruce Fischl
Hi Laura, the surface can sometimes look like that when it is almost parallel to the viewing plane, so that it crosses that coronal slice back and forth many times. Take a look at it in a different view and see how it looks (like sagittal) cheers Bruce On Tue, 1 May 2012, Laura M. Tully

Re: [Freesurfer] mri_path2label segmentation fault, with recon-all -localGI

2012-05-01 Thread Nick Schmansky
veronica, can you email me the commandline and input data for the mri_path2label command being run? i'm unable to access the files in the path in the email. n. On Tue, 2012-05-01 at 14:32 -0400, veronica misc wrote: Hi all, I've been getting a segmentation fault and was hoping someone

Re: [Freesurfer] Vertex wise analysis and area/pial area/volume interpretation

2012-05-01 Thread Mahinda Yogarajah
Hi Doug, Thanks for the swift answer to the earlier questions - can I clairfy some things: 1) Am I safe to use (and attempt to interpret) area/volume in a vertex wise analysis (as opposed to an ROI based analysis) using the basic concept you describe below - I have read on the forums about