Abstract P-526: CEREBRAL WHITE MATTER MICROSTRUCTURE CHANGES AND MEMORY IMPROVEMENT FOLLOWING WORKING-MEMORY TRAINING IN SURVIVORS OF NEONATAL CRITICAL ILLNESS. (June 2018) - Schiller, R.; IJsselstijn, H.; Madderom, M.; van Rosmalen, J.; van Heijst, A.; Verhulst, F.; Tibboel, D.; White, T.