Hi Bruce,
Many thanks again for your help. So just to make sure that I understood corect: is better to use the talairach.m3z win my make_average_subject? I was reading that the talairach coordinate is based on talairach.xfm (unless changed with --xform) so your suggestion was to change it to talairach.m3z?
Many thanks. Antonella
________________________________ From: Bruce Fischl fischl@nmr.mgh.harvard.edu To: Antonella Kis atorok9@yahoo.com Cc: "freesurfer@nmr.mgh.harvard.edu" freesurfer@nmr.mgh.harvard.edu Sent: Thursday, August 11, 2011 12:52 PM Subject: Re: [Freesurfer] (no subject)
Hi Antonella
talairach.lta and .xfm are linear transforms to a Talairach coordinate system. The .m3z is a nonlinear morph and will give you much higher anatomical resolution.
cheers Bruce
On Thu, 11 Aug 2011, Antonella Kis wrote:
Dear Freesurfers,
I am ready to run the make_average_subject and I need to specify -xform for the talairach transform: talairach.lta , talairach.m3z or talairach.xfm. What is the difference between this and what should I use for the make_average_subject in order to prepare my data for the GLM analysis?
Thank you very much for your help. Antonella
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