RE: [Freesurfer] model for pair-T test

2007-10-11 Thread Wang, Xin
Please give me more detailed explanations of how to run mris_preproc --paired-diff or (--paired-diff-norm)? and how to setup the GLM after run this commend? I could not find needed information on the website. Thank you very much. Xin From: Doug Greve [mailto:

Re: [Freesurfer] midline parcellation bug fix

2007-10-11 Thread rahul
Hi Mike, As Bruce mentioned, I did some fixes in the manual parcellations which affects the aparc atlas in addition to the changes he made. Best, rahul > both I think. Rahul fixed some thinks in the manual parcellations, and I > passed the aseg to mris_ca_label so it could tell if surface loc

[Freesurfer] New UserContributions page on the wiki

2007-10-11 Thread Kevin Teich
Noticing that many FreeSurfer users have developed their own scripts for automating various tasks, somebody had the idea of adding a user contributions section to our documentation. I've added this page to the Wiki: http://surfer.nmr.mgh.harvard.edu/fswiki/UserContributions Please use it to add y

[Freesurfer] problem with dt_recon

2007-10-11 Thread Dirk Dettmering
Hello, after I figured out how to prepare the dt_recon command with the correct input (which was a long struggle to find the correct dicom input) I got now stuck as dt_recon always stops before finishing the run with the same error message: brainmask not found I attach the log file with the re

Re: [Freesurfer] problem with dt_recon

2007-10-11 Thread Doug Greve
The argument of --s should be the freesurfer subject (ie, the same as when you run recon-all -s ). If you don't have one, you can use fsaverage. doug Dirk Dettmering wrote: Hello, after I figured out how to prepare the dt_recon command with the correct input (which was a long struggle

[Freesurfer] how/where is talairach.xfm used?

2007-10-11 Thread Michael Harms
Hello, We are running FS v3.0.5 on some elderly brains, and the talairach transform (as assessed via tkregister2 with fstal flag) is inaccurate in an appreciable number of the scans we have examined so far. Frequently, the inaccuracies involve primarily scaling or translation, although in one ins

Re: [Freesurfer] how/where is talairach.xfm used?

2007-10-11 Thread Doug Greve
It is not that important from a recon standpoint. However, if you intend to report talairach coods, create an average surface, or use that talairach transform in any way, it will be a problem. doug Michael Harms wrote: Hello, We are running FS v3.0.5 on some elderly brains, and the talairach

Re: [Freesurfer] how/where is talairach.xfm used?

2007-10-11 Thread Bruce Fischl
it's also worth noting that version 4 comes with Avi Snyder's most excellent talairaching instead of the one we used to use, which in our experience is *extremely* accurate and Robust (thanks Avi!). Bruce On Thu, 11 Oct 2007, Doug Greve wrote: It is not that important from a recon standpoin