Hi Adam, why not just make a new contrast with 1, 3, and 5? You can then 
run selxavg3-sess -- it will recognized that you only added a contrast 
and just re-run the contrast (should be pretty quick).

doug

Adam Nitenson wrote:
> Hi Doug and Freesurfers,
>
>      I am currently analyzing data acquired from the Sternberg memory
> task, which involves memorizing sets of 1, 3, 5, and 7 letters. I
> have created an analysis (see attached analysis.info and paradigm
> example) which allows me to create maps of the load-based activation
> when going from 1 to 3 to 5 to 7 letters, which accounts for the
> analysis' single "contrast".
>      My PI was hoping that, for some subjects, we could look at the
> regression from JUST 1 to 3 to 5, since they have poor 7-letter data.
> >From looking at the analysis setup, it looks like I would have to
> make this change at the paradigm level since subjects have already
> been run with the current analysis with just the 1,3,5,7 regression
> contrast. I would probably have to change the "2"s in the paradigm
> file to "1"s for the 7-letter sets (since the contrast is 2vFix, and
> this alteration would essentially "ignore" the 7-letter condition),
> but a change at the paradigm file level, I believe, would essentially
> necessitate the formation of a new analysis entirely, which would
> then have to be run again individually on subjects, which can be a
> time consuming process.
>      I was wondering if there was a way I could bypass this step and
> modify the analysis to suit these newer needs, or will I have to
> essentially make a new analysis based on my current one for this to
> work?
>
> Thanks,
>
> Adam Nitenson, B.S.
> Brain Genomics Lab
> Massachusetts General Hospital
> niten...@nmr.mgh.harvard.edu
> Phone: 617-643-3215
> ------------------------------------------------------------------------
>
> _______________________________________________
> Freesurfer mailing list
> 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
Phone Number: 617-724-2358 
Fax: 617-726-7422

Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
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