WORKING MEMORY TRAINING FOR CHILDREN WITH NF1 Title: Computerized working memory training for children with Neurofibromatosis Type 1 (NF1): A pilot study Authors: Kristina K. Hardy, PhD, * 1,2 Carly Berger, BS, 1 Danielle Griffin, BA, 1 Karin S. Walsh, PsyD, 1,2 Christina M. Sharkey, PhD, 1,2 Hannah Weisman, BS, 1 Anthony Gioia, MA, 1 Roger J. Packer, MD, 1,2 Maria T. Acosta, MD 3 Word Count: Key Words: Neurofibromatosis, cognition, efficacy, pediatric, treatment 1 Children’s National Hospital Washington, DC, USA 2 Department of Pediatrics and Neurology The George Washington University School of Medicine Washington, DC, USA 3 National Human Genome Research Institute, National Institutes of Health Bethesda, MD, USA * Corresponding author: Kristina K. Hardy 111 Michigan Avenue, NW Washington, DC 20010 Email: kkhardy@childrensnational.org Phone: 202-476-2514 Fax: 202-476-4304