1. J. Weng is at the Department of Computer Science and Engineering, Michigan State University, East Lansing, MI 48824, USA.
2. J. McClelland is at the Center for the Neural Basis of Cognition, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
3. A. Pentland is at The Media Laboratory, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
4. O. Sporns and E. Thelen are at the Department of Psychology, Indiana University, Bloomington, IN 47405, USA.
5. I. Stockman is at the Department of Audiology and Speech Sciences, Michigan State University, East Lansing, MI 48824, USA.
6. M. Sur is at the Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.