This site is about the SPM toolbox MASCOI and some considerations behind it. More details can be found in:

Reimold M, Slifstein M, Heinz A, Müller-Schauenburg W, Bares R. Effect of spatial smoothing on t-maps: arguments for going back from t-maps to masked contrast images. J Cereb Blood Flow Metab (2006) 26, 751–759

PMID:16208316 DOI:10.1038/sj.jcbfm.9600231(Fulltext)

If you use MASCOI for your publication, please cite this paper.