Dear Doug,

              I was wondering, why do you prefer mni152reg to mri_coreg
              for gregistration to MNI? According to help, mri_coreg is
              also able to do 12 DOF registration.

              Antonin

              mri_coreg is the FS implementation of spm_coreg
              (spmregister) both of
which use normalized mutual info. bbregister uses
              the BBR cost function
and is preferred for all MRI. For registration to
              MNI space, we usually
use mni152reg (a wrapper around fsl's flirt)
On 2/25/17 8:49 AM, John Anderson wrote:

Dear Freesurfer experts,

I see that the tool "mri_coreg" has been implemented
              recently in Free
Surfer 6 and I really wanted to know what are the
              differences between
the registration tools "bbregister", " spmregister"
              and "mri_coreg"!
Kindly:
1. Are these tools similar? if not what are the differences ?

2. Is there any preference of using a tool over the
              others for
specific type of data. For example:
A. If I want to register FA map to T1 image which
              tool is
more robust?
B. if I want to register FA map to MNI space which
              tool is
more robust?
I highly appreciate your input on this!

John

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