They rely on the registration. What is failing? It is usually the 
initialization that fails. If you're using FSL, you can try using the 
SPM registration (though it's a little trickier to set up).
doug

On 06/04/2012 05:20 AM, Jörg Pfannmöller wrote:
> Dear freesurfers,
>
> I have a simple question concerning the freesurfer 5.1 FSFAST preprocessing. 
> In the preprocessing the functional images are registered to the anatomical 
> ones using bbregister. This is the 3rd in a series of 8 preprocessing steps. 
> If the preproc-sess registration fails it is possible to achieve a proper 
> registration using various options of bbregister. Does it suffice to replace 
> the register files created during the preprocessing with the ones received 
> during the registration correction in order to attain proper preprocessed 
> data or are there routines in steps 4 to 8 in the preprocessing which rely on 
> the registration?
>
> Thanks in advance
>
>               pfannmoe
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> Freesurfer@nmr.mgh.harvard.edu
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>
>

-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422

Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html

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