Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, Aachen, Germany.|Parietal team, INRIA, Neurospin, bat 145, CEA Saclay, Gif-sur-Yvette, France.|Parietal team, INRIA, Neurospin, bat 145, CEA Saclay, Gif-sur-Yvette, France.|Parietal team, INRIA, Neurospin, bat 145, CEA Saclay, Gif-sur-Yvette, France.|NeuroSpin, CEA, bat 145, CEA Saclay, Gif-sur-Yvette, France.|Parietal team, INRIA, Neurospin, bat 145, CEA Saclay, Gif-sur-Yvette, France.