1. John L. Fisk is currently at the Department of Neuropsychology, Windsor Western Hospital Centre. Request for reprints may be addressed to John L. Fisk at the Department of Neuropsychology Regional Children's Centre, Windsor Western Hospital Centre, 1453 Prince Road, Windsor, Ontario, Canada N9C 3Z4.
2. Byron P. Rourke is professor of psychology in the Department of Psychology at the University of Windsor.