SPM links & information SPM central (main SPM website, by Wellcome Department, London, UK) SPM manual (PDF) Introduction to SPM statistics, by Matthew Brett Step-by-step method for preprocessing fMRI data (by Matthijs Vink & Bas Neggers) Guide for preprocessing statistical analyses of fMRI time series (by Matthijs Vink) SPM how-to's. A description of the Analyze format (PDF), the standard data format used by SPM and many other packages. Developed by the Mayo Clinic.