["preproc-sess"] -smout <smfmc6> -fwhm <fwhm>

<fwhm>=6 is typical.

Check <smfmc6>.report in functional subdirectory for indications of problems with data. See ["FsFastTutorial/800 Normalize signal intensity"] for details. Check severity of motion by plotting motion correction translation component versus time point with ["plot-twf-sess"].