We don't have B0 fieldmap data, would I still be able to perform this correction? For preprocessing we ran eddy_openmp and dtifit.
The helpdesk has added klawms to your sudo groups for access to the data. Please let me know if you need any more information. Thanks so much for your help, Andrew ________________________________ From: freesurfer-boun...@nmr.mgh.harvard.edu <freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Douglas N. Greve <dgr...@mgh.harvard.edu> Sent: Sunday, April 25, 2021 10:39 PM To: freesurfer@nmr.mgh.harvard.edu <freesurfer@nmr.mgh.harvard.edu> Subject: Re: [Freesurfer] FA map registration to T1 Everything looks ok in the log file. Did you do an B0 distortion correction? Can you give me access to that data? On 4/20/2021 10:34 AM, Russo, Andrew William wrote: Log file is attached. Thank you, Andrew Andrew Russo Clinical Research Coordinator Multiple Sclerosis Imaging Lab Massachusetts General Hospital 149 13th Street | Boston, MA 02129 617-726-7531 ________________________________ From: freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu> <freesurfer-boun...@nmr.mgh.harvard.edu><mailto:freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Douglas N. Greve <dgr...@mgh.harvard.edu><mailto:dgr...@mgh.harvard.edu> Sent: Tuesday, April 20, 2021 10:09 AM To: freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu> <freesurfer@nmr.mgh.harvard.edu><mailto:freesurfer@nmr.mgh.harvard.edu> Subject: Re: [Freesurfer] FA map registration to T1 can you send the bbr log file? On 4/19/2021 2:29 PM, Russo, Andrew William wrote: Hello FreeSurfer Developers, I am registering FA maps to T1 for a group of subjects with MS and in many cases the registration is poor for the anterior corpus callosum (attached), cerebellum, pons, and temporal lobe. I am using the following commands (FreeSurfer version 6.0): bbregister \ --dti \ --reg diff2T1_reg.dat \ --mov eddy_corrected_b0.nii.gz \ --s subject_temp mri_vol2vol \ --mov dtifit_FA.nii.gz \ --targ orig.mgz \ --o FA2T1.nii.gz \ --reg diff2T1_reg.dat Do you have any suggestions for improving this registration? Thank you, Andrew Andrew Russo Clinical Research Coordinator Multiple Sclerosis Imaging Lab Massachusetts General Hospital 149 13th Street | Boston, MA 02129 617-726-7531 _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu<mailto:Freesurfer@nmr.mgh.harvard.edu> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu<mailto:Freesurfer@nmr.mgh.harvard.edu> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
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