1 Department of Basic Psychology, Faculty of Psychology, University of Barcelona, Spain; Cognition and Brain Plasticity Group, Bellvitge Biomedical Research Institute, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain. Electronic address: josepmarco@gmail.com.
2 Cognition and Brain Plasticity Group, Bellvitge Biomedical Research Institute, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain.