Dear SPMers, I would like to map voxels with the highest % of signal change for one condition. Marsbar gives a mean value for a whole ROI. Is it possible in SPM to get this cartography in a voxel-based way? The aim is to compare those signal change maps across subjects and conditions. Thanks a lot for your help, Estelle Estelle RAFFIN, Doctorante, Service de Medecine Physique et Readaptation Hopital Bellevue, CHU de Saint Etienne, 42055 Saint Etienne Cedex 02 Tel: 04 77 12 04 67 Email:[log in to unmask] [log in to unmask] Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ? Je crée ma boîte mail www.laposte.net