1. CNRS, CRAN; UMR 7039 Vandœuvre-lès-Nancy France
2. Université de Lorraine, CRAN; UMR 7039 Vandœuvre-lès-Nancy 54516 France
3. Service de Neurologie; Centre Hospitalier Universitaire de Nancy; Nancy 54000 France
4. Service de Neurochirurgie; Centre Hospitalier Universitaire de Nancy; Nancy 54000 France
5. Ventspils Engineering Research Institute; Ventspils University; Ventspils LV3601 Latvia
6. Department of Biomedical Engineering; City College of New York; New York New York
7. Department of Psychology; Stanford University; Stanford California