Once you have combined different subjects into one analysis in standard space, it does not make much sense to render it on the surface as a surface in standard space does not make much sense. You're better off sampling your 2nd level analyses onto the surface then using mri_glmfit or randomise to do your 3rd level analyses. If you really want to put your standard space results on a surface (eg, fsaverage), you can use fslregister to register the standard space brain to fsaverage (this will create a register.dat).

doug

oxro03@yahoo.com wrote:

Hi,

I have a 3 level feat analysis with 2 runs in each subject on the first level. At the second level these two get combined with a fixed effect analysis to produce a mean for each subject. At the third level, the second level results are combined with FLAME to produce group maps.

I was able to paint the first and second level results onto the individual subjects' surface by following the excellent instructions on the FS wiki. But how do I paint the 3rdlevel FLAME results onto the fsaverage brain? (Without using group analysis in surface space).

Thanks a lot,

Sandy

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