I used 0.6mm isotropic resolution MPRAGE ( matrix size 320 x 320 ) and 260 slices in freesurfer. The output (.mgz) has a different resolution and matrix size (1mm isotropic resolution and 256 x 256 matrix size). I used mri_convert to convert the output image from mgz to analyze. is there any way I can get back to the original resolution and matrix size, please?

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