Hi
On 5 Feb 2013, at 09:26, YM Huh wrote:
> Dear experts,
>
> I ran DTI images Bedpostx and registering, and now trying whole-brain probabilistic tractography.
>
> What i'm gong to do is to 1)make seed masks with freesurfer label files, and 2)perform tractography with multiple mask mode and get seed*seed matrix.
>
> I found comments from other post saying that I must first transform label files into a surface file, using the label2surf command.
>
> 1)will this process make label files to be in MNI152 space?
No.
>
> 2)and which label should I use? (There are a few labels for freesurfer.)
It depends what seed masks you want to use. Each label file produced by freesurfer's recon_all is a cortical region.
>
> 3)And I wonder if there is better cortical parcellation scheme for whole brain tractography.
It would be nice if there was one.... Still an open research area!
Cheers
Saad
>
> Thanks,
>
>
> YM Huh
>
--
Saad Jbabdi
University of Oxford, FMRIB Centre
JR Hospital, Headington, OX3 9DU, UK
(+44)1865-222466 (fax 717)
www.fmrib.ox.ac.uk/~saad
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