Speakers: Bruce A. Yankner, Childrenís Hospital Boston; and Douglas C. Wallace, University of California, Irvine Organizer: M. Flint Beal, Weill Medical College of Cornell University The Neurodegenerative Diseases Discussion Group focuses broadly on the theme of neurodegenerative diseases in a highly interdisciplinary fashion. This group is part of the Frontiers of Science Program under which the Academy is starting a series of discussion groups within important and dynamic research fields.