-- Darren L. Weber, Ph.D. Visiting Postdoctoral Scholar Dynamic Neuroimaging Laboratory, Department of Radiology, University of California, San Francisco, 185 Berry Street, Suite 350, Box 0946, San Francisco, CA 94107, USA. Tel: +1 415 353-9444 Fax: +1 415 353-9421 www: http://dnl.ucsf.edu/users/dweber "To explicate the uses of the brain seems as difficult a task as to paint the soul, of which it is commonly said, that it understands all things but itself." --Thomas Willis (The Anatomy of the Brain and Nerves, 1664)