Dear Crystal,
My experience suggests using ANTS and FA to T1.
Best,
Nagesh

On Tue, Feb 7, 2012 at 3:52 PM, Franklin, Crystal G <[log in to unmask]> wrote:
Dear FSL,

I am trying to register my subject's T1 (voxel dimensions of .8x.8x.8) to their DTI (voxel dimensions of 1.719x1.719x3).  Unfortunately I do not have a T2 image or field maps.  Do you suggest using the FA image or the b0?  I have tried using both in flirt.  The registration looks pretty good until I get around the ventricles.  What is the best way to go about correcting this misalignment or the best procedure for registering the T1 to DTI?

Thank you,
Crystal