["spatialsmooth-sess"] -s $1 -df sesspar -i fmc -o fmcsm6 -fwhm <FWHM>
If the analysis is a VolumeAnalysis <FWHM> = 6, and if it is a SphericalAnalysis <FWHM> = 2 and additional smoothing can be applied later in sphericalspace using FsFastSphericalSmooth.