Smooth (SPM)

Purpose. Spatially smooth selected perfusion files using SPM Smooth.

Inputs

For each subject, the module collects:

• perf/r{M0}.nii (if M0 present)

• perf/rmean{asl}.nii and perf/rr{asl}.nii for each {asl}

Outputs

• Smoothed versions written in place per SPM defaults.

Configuration

Key	Type / Default	Meaning
fwhm	list / [6,6,6]	Gaussian kernel FWHM (mm) per axis

YAML example

modules:
  - name: Smooth
    config:
      fwhm: [6, 6, 6]