The scout is a short, low resolution scan used by the scanner operator to set the field of view for later scans; it is not use ful. The SpinEcho looks like it is part of a functional or diffusion sequence to perform B0 distortion correction (so not used in the anatomical analysis) I don't know what the Phoenix nii is. I think phoenix is a way to put dicom files back onto the scanner. I don't know why there would be a nii associated with it.
On 7/14/2022 2:54 PM, Addison, Reuben wrote:
I have a rookie question regarding free surfer after going through the excellent course onyoutube
First time I know the free surfer does the reconstruction on the anatomical scan (eg., T1t1_mprage_sag_p2_iso.nii)
I see 3 other files in my data that were never used in the tutorials (SpinEchoFieldMap_AP/PA.nii, AHead_Scout_32ch-head-coil.nii,Phoenix_Document.nii). I am wondering when they were needed. I read about them just never saw them used.
Thanks,
Reuben N. Addison
Postdoctoral Fellow
Brain Recovery Lab
MGH Institute of Health Professions https://www.mghihp.edu/
Charlestown Navy Yard | 36 1st Avenue, Boston MA 02129
p. 225-439-5354 | raddison@mghihp.edu mailto:raddison@mghihp.edu
Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer