Hi Douglas, Thanks for the reply. can i get a link to a publication or report that describes the GLM analysis applied to tensors? thanks, sid.
On Mon, Feb 9, 2009 at 10:22 AM, Douglas N Greve greve@nmr.mgh.harvard.eduwrote:
It will probably be the case that it just gives the entire volume (the "masking" routine just looks for 0-valued voxels). I don't think it actually uses the mask for anything, though.
glmfit is run because that's what the tensor analysis is.
Siddharth Srivastava wrote:
Hi everyone, I have recently started using the dt_recon processing pipeline in freesurfer. I just ran a dataset through it, and had a few questions about the methodology
- How does the script calculate the mask from the DW data set. Is there
any way to influence the mask calculation routine? I am familiar with bet/bet2 and i have an set of parameters tuned to my dataset. within dt_recon, i get the entire volume as a mask, while fsl generated a nice inclusive mask. Is there any way i can use the bet generated mask with dt_recon? 2) why is a glm fit done at the end of the processing stage?
best regards, sid.
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