Re: [Freesurfer] Re-post: Fixated brain

2011-03-15 Thread Bruce Fischl
we do have a procedure but it involved a fair amount of manual intervention and isn't terribly well documented (and it's evolving). It depends on Andre van der Kouwe's multi-echo flash sequence, which you would need to get as well cheers Bruce On Tue, 15 Mar 2011, Auer, Tibor MD. Ph.D. wrote

Re: [Freesurfer] Re-post: Fixated brain

2011-03-15 Thread Allison Stevens
Tibor, We are working to put some exvivo wm segmentation methods into the next FreeSurfer release although I'm not sure where that stands. We do process our exvivo scans with FreeSurfer but we use scripts that use different parameters than recon-all since the contrast is different and as you sai

[Freesurfer] Re-post: Fixated brain

2011-03-15 Thread Auer, Tibor MD. Ph.D.
Dear Users, Is there a way to process fixated brain (after autopsy) with Freesurfer? I have read somewhere that I should just "invert" the image, but what does it mean? And would it not increase the noise and the signal from the CSF? Of course, the brain is without any skull, pia and dura mat