You can try specifying the functional stem in mkanalysis-sess with 
-funcstem yourfuncstem (assuming your data are yourfuncstem.nii). This 
will cause selxavg3-sess to bypass the preprocessing.
doug

Thunell Evelina wrote:
> Hi Doug,
> I might try to do it in SPM but it requires some more work I think - The 
> Freesurfer retinotopic mapping analysis is automatic and easy to use. 
> Evelina
>
> On Dec 12, 2011, at 10:51 PM, Douglas N Greve wrote:
>
>   
>> Hi Evelina, why don't you do the whole analysis in SPM then map the results 
>> to the surface?
>> doug
>>
>> Thunell Evelina wrote:
>>     
>>> Hi Douglas,
>>>
>>> I do most of my analysis in matlab and SPM. For this one part of my 
>>> experiment - it's a retinotopic mapping that I will use to ensure that my 
>>> ROIs are in V1 - I'm using Freesurfer. I have done slice time correction, 
>>> motion correction and coregistration between functional runs and of the 
>>> structural image already in SPM. I thought that since these flags exist 
>>> they would just skip a step in the processing and send the data directly to 
>>> the next step. But since it's not the case I'll have to do it some other 
>>> way instead, maybe just redo the whole preprocessing in Freesurfer on the 
>>> already preprocessed data. (Running the analysis with selxavg3-sess 
>>> -analysis retlh -s SessXX *-no-preproc *doesn't work.) Anyway, the 
>>> important thing is that the retinotopic mapping data stay coregistered with 
>>> the rest of the functional data. If I can do this step in Freesurfer 
>>> instead (and the rest of the preprocessing) that would be an option.
>>>
>>> Thanks a lot,
>>> Evelina
>>>
>>> On Dec 9, 2011, at 7:06 PM, Douglas N Greve wrote:
>>>
>>>       
>>>> Hi Evelina, why do you want to run it without MC? I'm not sure it will run 
>>>> that way. When you run it with -noreg, it causes it not to run the 
>>>> registration. For the preprocessing you have set up, it requires that the 
>>>> registration be run at some point because it needs it to map the fmri to 
>>>> the surface.
>>>> doug
>>>>
>>>> Thunell Evelina wrote:
>>>>         
>>>>> Hi,
>>>>>
>>>>> Does anyone know how to correctly use the -nomc and -noreg flags?
>>>>>
>>>>> When I run:
>>>>> preproc-sess -fwhm 0 -surface self lhrh -s SessLP -fsd bold -nomc
>>>>> I get the error message:
>>>>> ERROR: could not determine file for 
>>>>> /Applications/freesurfer/sessions/retinotopy/SessLP/bold/001/fmcpr
>>>>>
>>>>> I also tried
>>>>> preproc-sess -fwhm 0 -surface self lhrh -s SessLPpolar -fsd bold -noreg
>>>>> which gives the error:
>>>>> ERROR: cannot find 
>>>>> /Applications/freesurfer/sessions/retinotopy/SessLPpolar/bold/001/register.dof6.dat
>>>>> Try running register-sess with -per-run
>>>>>
>>>>> When I do
>>>>> preproc-sess -fwhm 0 -surface self lhrh -s SessLPpolar -fsd bold
>>>>> it works fine and finishes without errors (preproc-sess done)
>>>>>
>>>>> (I'm using  freesurfer-Darwin-leopard-i686-stable-pub-v5.1.0 on Mac OS X 
>>>>> 10.6.8)
>>>>>
>>>>> Thanks a lot for any help,
>>>>> Evelina
>>>>> ------------------------------------------------------------------------
>>>>>
>>>>> _______________________________________________
>>>>> Freesurfer mailing list
>>>>> Freesurfer@nmr.mgh.harvard.edu <mailto:Freesurfer@nmr.mgh.harvard.edu>
>>>>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>>>>>           
>>>> -- 
>>>> Douglas N. Greve, Ph.D.
>>>> MGH-NMR Center
>>>> gr...@nmr.mgh.harvard.edu <mailto: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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>>>>         
>> -- 
>> 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
>>
>>     
>
>
>
>   

-- 
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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