Explicit knowledge of task structure is a primary determinant of human model-based action by Castro-Rodrigues, P, Akam, T, Snorasson, I, Camacho, M, Paixão, V, Maia, A, Barahona-Corrêa, JB, Dayan, P, Simpson, HB, Costa, RM, Oliveira-Maia, AJ