Fuentes Claramonte, Paola Ávila Rivera, César Rodríguez Pujadas, Aina Ventura Campos Noelia Bustamante, Juan Carlos Costumero Ramos, Víctor Rosell Negre, Patricia Barrós Loscertales Alfonso Reward sensitivity modulates brain activity in the prefrontal cortex, ACC and striatum during task switching PLoS One 10.1371/journal.pone.0123073 2015 2015