1. Unité de recherche PsyNCog, Faculté de Psychologie, Logopédie et Sciences de l’éducation, Université de Liège , 4000 Liège , Belgium
2. Laboratory of Cognitive and Neurological Sciences, Department of Neuro and Mouvement Sciences, Faculty of Science and Medicine, University of Fribourg , 1700 Fribourg , Switzerland