1 INSERM UMR 1105, Research Group on Multimodal Analysis of Brain Function, University of Picardie Jules Verne, 80036 Amiens Cedex, France; INSERM UMR 1105, Pediatric Neurophysiology Unit, Amiens-Picardie University Hospital, 80054 Amiens Cedex, France. Electronic address: emilie.bourel@u-picardie.fr.
2 Clinical Neurophysiology, Roger Salengro Hospital, CHRU Lille, France.