Sorbonne Universités, UPMC Univ Paris 06, CNRS, INSERM, Laboratoire dimagerie biomédicale (LIB), Paris, France.|Department of Computational Neuroscience, University Medical Center Eppendorf, Hamburg University, Hamburg, Germany.|Sorbonne Universités, UPMC Univ Paris 06, CNRS, INSERM, Laboratoire dimagerie biomédicale (LIB), Paris, France.|Grenoble Institute of Neuroscience, INSERM-UJF-CHU, Grenoble, France.