One of the tasks we use has three runs, and so each run has a specific B0 map.  
We're wondering how we can concatenate the three runs back together again for 
the Group analysis, since FSFAST is technically now considering each run to be 
a separate "task."

-----Original Message-----
From: freesurfer-boun...@nmr.mgh.harvard.edu 
[mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Douglas N Greve
Sent: Tuesday, April 12, 2016 6:22 PM
To: freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] Preprocessing task data with multiple B0-corrected 
runs

Can you tell me more about your design? Does each run have a separate task? Do 
you want to test across tasks?

On 04/12/2016 11:53 AM, Shea, Conor wrote:
> Thanks so much.  So, then, how does the Group Level Analysis work?  How do I 
> concatenate the runs together again, now that we've separated them into 
> different tasks?
>
> Conor
>
> -----Original Message-----
> From: freesurfer-boun...@nmr.mgh.harvard.edu 
> [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Douglas N 
> Greve
> Sent: Friday, April 08, 2016 12:05 PM
> To: freesurfer@nmr.mgh.harvard.edu
> Subject: Re: [Freesurfer] Preprocessing task data with multiple 
> B0-corrected runs
>
> Unfortunately, I only programmed it assuming that you would have only one B0 
> map per session. There are a couple of work-arounds. One is to create a 
> different session for each run. This is probably easiest but makes the group 
> analysis a little trickier.
>
> On 04/05/2016 04:48 PM, Shea, Conor wrote:
>> Dear Doug,
>>
>> I'm trying to use FSFAST to analyze task data with multiple runs.  Before 
>> using the preproc-sess pipeline, I ran B0 correction on each of the runs, so 
>> I have 3 different b0dcmap files.  I'm trying to figure out the best way to 
>> run preprocessing on the three runs simultaneously using preproc-sess, but I 
>> don't know how to get FSFAST to use each run's specific b0dcmap in the 
>> preprocessing of each run's data.  FSFAST wants the b0dcmap files to be in 
>> the task folder, but how can it differentiate between the three b0dcmap 
>> files if they're not in the run folders?
>>
>> Thanks,
>> Conor
>> _______________________________________________
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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: https://gate.nmr.mgh.harvard.edu/filedrop2
> www.nmr.mgh.harvard.edu/facility/filedrop/index.html
> Outgoing: 
> ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/
>
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> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>
>

--
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: https://gate.nmr.mgh.harvard.edu/filedrop2
www.nmr.mgh.harvard.edu/facility/filedrop/index.html
Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/

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