[MINC-users] methods for registering brainmap.org activation data to subject data

Michel Audette michel.audette at kitware.com
Tue Nov 23 14:02:13 EST 2010


Hi Pierre,

thanks for your kind reply. The bolded part is exactly what I have in mind.
MRI2TAL sounds  like a good fit then.

Moreover, brainmap.org seems to discriminate between Talairach coordinates
and MNI coordinates. I was under the impression up to now that the two were
the same thing (I did not use this research in my PhD thesis while at MNI
:-D ). Can you explain the difference?

(If I understand correctly, the brainmap.org data is referred to the Average
Brain. Which coordinate system is attached to this image?)

Best wishes,

Michel

On Tue, Nov 23, 2010 at 10:52 AM, Pierre Bellec
<pbellec at bic.mni.mcgill.ca>wrote:

> Dear Michel,
>
> I am not sure to understand what you are trying to do. If I am correct,
> Sleuth just produces coordinates. *ALE will give you maps, in stereotaxic
> space. Do you want to bring those maps in the space of individual subjects
> ?? *You will then need to estimate a transformation from the individual
> space
> to stereotaxic space (the most common tool to do that is MRI2TAL I believe,
> even though there are other scripts around, please ask if you need more
> details). You will then need to use MINCRESAMPLE with the inverse transform
> to resample your ALE map in the individual subject space.
>
> I hope this helps,
>
> Pierre Bellec, PhD
> Chercheur adjoint
> Centre de recherche de l'institut de Gériatrie de Montréal
> Département d'informatique et de recherche opérationnelle
> Université de Montréal
> http://simexp-lab.org/brainwiki/doku.php?id=pierrebellec
> (001)(514) 340 3540 #336730
>
>
> 2010/11/23 Michel Audette <michel.audette at kitware.com>
>
> > Dear Minc fellow users,
> >
> > I am interested in using existing fMRI-based activation maps, such as are
> > apparently available at brainmap.org (e.g.: Sleuth, GingerALE), and
> > warping
> > these maps to subject data. What MINC-based registration procedure will
> > achieve this? Is there anyone at MNI who is using these maps in the
> manner
> > that I am considering?
> >
> > Best wishes,
> >
> > Michel
> >
> > --
> > Michel Audette, Ph.D.
> > R & D Engineer,
> > Kitware Inc.,
> > Chapel Hill, N.C.
> > _______________________________________________
> > MINC-users at bic.mni.mcgill.ca
> > http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
> >
> _______________________________________________
> MINC-users at bic.mni.mcgill.ca
> http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
>



-- 
Michel Audette, Ph.D.
R & D Engineer,
Kitware Inc.,
Chapel Hill, N.C.


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