[1] Grenoble Inst Neurosci, INSERM, U836, Grenoble, France
[2] Univ Joseph Fourier, Grenoble, France
[3] Ctr Hosp Univ, Clin Univ Neuroradiol, Grenoble, France
[4] Ctr Hosp Univ, Unite IRM, Grenoble, France
[5] Ctr Hosp Univ, Clin Univ Neurochirurg, Grenoble, France
[6] Ctr Hosp Univ, Clin Univ Neurol, Lab Neurophysiopathol Epilepsie, Grenoble, France
[7] Ctr Hosp Univ, CTRS IDEE, Lyon, France