Dear freesurfer experts, I looked at the help text for the dt_recon function, and wonder how the GLM is setup for the DTI data, is there a paper that describes how freesurfer does it? Specifically, I'm interested in how a dataset with 3-4 different b-values is analyzed. Is there a dummy variable in the GLM that models the different b-values, since the data from different b-values have very different variance?
http://freesurfer.net/fswiki/dt_recon Regards, Anders
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