Contributo George J. Augustine, Ph. D Dona M. Chikaraishi, Ph Michael d. ehlers, M. D. Ph.D Gillian einstein ph D David Fitzpatrick, ph D William C. Hall, ph. D Erich Jarvis, Ph. Lawrence C. Katz, Ph D Julie Kauer, Ph. D Anthony-Samuel LaMantia, Ph D ames O. McNamara, MD Richard D. Mooney, Ph D Miguel A. L Nicolelis, M. D, Ph D Dale Purves, M.D Peter H. Reinhart. Ph. D Sidney A. Simon, Ph. D J H. Pate Skene, Ph D ames Voyvodic, ph. D Leonard E White. Ph. D S Mark Williams, Ph. D UNIT EDITORS UNIT I: George J. Augustine UNIT I: David Fitzp UNIT III: William C UNIT IV: Anthony-Samuel LaMantia UNIT V: Dale purvesGeorge J. Augustine, Ph.D. Dona M. Chikaraishi, Ph.D. Michael D. Ehlers, M.D., Ph.D. Gillian Einstein, Ph.D. David Fitzpatrick, Ph.D. William C. Hall, Ph.D. Erich Jarvis, Ph.D. Lawrence C. Katz, Ph.D. Julie Kauer, Ph.D. Anthony-Samuel LaMantia, Ph.D. James O. McNamara, M.D. Richard D. Mooney, Ph.D. Miguel A. L. Nicolelis, M.D., Ph.D. Dale Purves, M.D. Peter H. Reinhart, Ph.D. Sidney A. Simon, Ph.D. J. H. Pate Skene, Ph.D. James Voyvodic, Ph.D. Leonard E. White, Ph.D. S. Mark Williams, Ph.D. UNIT EDITORS UNIT I: George J. Augustine UNIT II: David Fitzpatrick UNIT III: William C. Hall UNIT IV: Anthony-Samuel LaMantia UNIT V: Dale Purves Contributors Purves3/eFM 5/13/04 12:59 PM Page v