Re: [Freesurfer] manual talairach details

2009-06-15 Thread Deane Aikins
It is a bad skull strip. I am increasing watershed param and will try autorecon2. Deane Quoting Bruce Fischl : > Did you check the skull strip? You can send it to us if you want and > we will take a look. > > > > On Jun 15, 2009, at 10:43 AM, Deane Aikins > wrote: > > > > > Hi Bruce- > > > >

Re: [Freesurfer] manual talairach details

2009-06-15 Thread Bruce Fischl
Did you check the skull strip? You can send it to us if you want and we will take a look. On Jun 15, 2009, at 10:43 AM, Deane Aikins wrote: Hi Bruce- Agreed. Visual check of talairach looks good and manual correction of slight sagital angle fails to improve z value, hence the curr

Re: [Freesurfer] manual talairach details

2009-06-15 Thread Deane Aikins
Hi Bruce- Agreed. Visual check of talairach looks good and manual correction of slight sagital angle fails to improve z value, hence the current notal-check. Looking at recon-all.log, there is a statement that The surface validation has detected a possible Error", with a suggestion to use the '

Re: [Freesurfer] manual talairach details

2009-06-13 Thread Bruce Fischl
Hi Deanne, something is badly wrong - that step should only take a couple of minutes. Did you check the talairach visually? It may need to be manually corrected. cheers Bruce On Fri, 12 Jun 2009, Deane Aikins wrote: I'm rerunning it with -no-talcheck. It looks to be hanging on finding contr

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