Re: [Freesurfer] manual talairach details

2009-06-12 Thread Deane Aikins
I'm rerunning it with -no-talcheck. It looks to be hanging on finding control points in the Left_Cerebral_White_matter. Can this one step take more than 24 hrs? The "usual" time for a recon-all was @30 hrs for the other brains. Thanks, Deane Quoting Nick Schmansky : > Deane, > > the -no-tal

Re: [Freesurfer] manual talairach details

2009-06-12 Thread Nick Schmansky
Deane, the -no-talcheck flag is your best option now, considering that a manual alignment is no better than the automatic. What is the age range of your subjects? We're implementing an alternate target consisting of young adults scanned at 3T, which works better for that cohort over the adults i

[Freesurfer] manual talairach details

2009-06-12 Thread Deane Aikins
Hello, I had a Talairach QA check failure, with the error log indicating a Z = -8 which was below the criterion of z =-6. I then used tkregister2 to attempt a manual alignment (no surf orig was available). After visual inspection, the subject and Talairach volumes looked really closely aligned

Re: [Freesurfer] Questions on ROI Comparisons

2009-06-12 Thread Bruce Fischl
I'll leave 1-3 for Doug and Nick. As for 4, this is a QA step to make sure nothing failed in the spherical registration, or the segmentation/surface reconstruction in that region. cheers Bruce On Thu, 11 Jun 2009 nmal...@mclean.harvard.edu wrote: Dear all,   1-Is there a way to use mris_