Early changes in white matter pathways of the sensorimotor cortex in premanifest Huntington's disease - Dumas, E; Van Den Bogaard, S; Ruber, M; Reilman, R; Stout, J; Craufurd, D; Hicks, S; Kennard, C; Tabrizi, S; Buchem, V; Van Der Grond, J; Roos, R (2011)