This is a good idea, and has been explored to some extent. Models that incorporate RBF's to learn to classify include ALCOVE (Kruschke, 1992, Psych. Review), RASHNL (Kruschke & Johannsen, 1999, J. of Exper. Psych: LMC), and SUSTAIN (Love & Medin, 1998, Proc. AAAI-98). -Jim Corter Dept. of Human Development Teachers College, Columbia University [RE: message from Coroian Alina -- Siemens]