you can use the new qdec with your existing data. qdec, and mri_glmfit, are not dependent on any particular version of data. you could either 4.02 or 5 to run -qcache, but for consistency, i'd just use 4.02. the method that is used to sample subject data to fsaverage is unchanged between the two versions though.

n

On Fri, 2010-09-24 at 11:17 +0200, Christian Scheel wrote:

Dear all,

a while ago I have processed a set of brains making use of recon-all in freesurfer version 4.02. After a longer break I have now come back to my data and wonder whether it is possible to employ qdec 1.4 (as shipped with freesurfer version 5) for the group analysis. In particular I am interested in making use of mri_glmfit-sim and the pre-cached Monte Carlo simulations. Do you think it would be appropriate to use the new qdec version for the analysis? And if so, should I run recon-all -qcache with freesurfer version 4.02 or version 5 for that?

Best regards, Christian Scheel

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