Although partially overlapping what you've done already the following SPM toolbox enables you to overlay your data on the SPM canonical brain (colin27), fsaverage or any other surface.

Check

http://spmsurfrend.sourceforge.net/

and for documentation

http://spmsurfrend.sourceforge.net/Documentation/Documentation.html

Itamar

On Jul 25, 2006, at 11:39 AM, Thomas Stephan wrote:

Dear FSL list,

I would like to use freesurfer to render fMRI results obtained by SPM group analysis onto
inflated surfaces of the template brain. I succeeded to do so by inflating the template provided
with SPM and using tkregister2 with the functional data.
Are there any recommendations for this procedure with regard to the template to use, or should I
use the fsaverage surfaces provided with freesurfer?

Best regards
Thomas

-- 
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Dr. Thomas Stephan            Email: tstephan@nefo.med.uni-muenchen.de
Klinikum Grosshadern
Neurologisches Forschungshaus
Marchioninistr. 23            Fon: +49 089 / 7095-4819
81377 Muenchen                Fax: +49 089 / 7095-4801
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Itamar Kahn, Ph. D.                     
Howard Hughes Medical Institute at Harvard University 
Athinoula A. Martinos Center for Biomedical Imaging
149 Thirteenth Street, Suite 1115C
Charlestown, MA 02129
E-mail: kahn@nmr.mgh.harvard.edu
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