Dept. of Psychology, Carnegie Mellon University, Pittsburgh, Pennsylvania, United States of America.|Dept. de Matemàtiques i Informàtica, Universitat de les Illes Balears, Palma, Illes Balears, Spain.|Dept. of Biomedical Engineering, University of South Carolina, Columbia, South Carolina, United States of America.|Dept. of Psychology, Carnegie Mellon University, Pittsburgh, Pennsylvania, United States of America.|Center for the Neural Basis of Cognition, Pittsburgh, Pennsylvania, United States of America.