Todd Richards, University of Washington (IMAGE) University of Washington Caption Todd Richards, of the University of Washington's Integrated Brain Imaging Center, demonstrates the inexpensive fiber-optic pen and pad device that helps scientists see what neural pathways are activated in children with learning disabilities while they read and write. Credit UW's Center on Human Development and Disability. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.