This is the annual congress of the SSNS. Other participating organisations: Swiss Neurological Society Swiss Society of Neurosurgery Swiss Society of Clinical Neurophysiology Swiss Society of Neuropaediatrics Swiss Society of Neuroradiology Swiss Society of Neuropathology Swiss Society of Biological Psychiatry Associated members: Swiss Headache Society Swiss Society for Neurorehabilitation Association of Swiss Neuropsychologists Swiss Society of Behavioural Neurology Swiss Stroke Society Swiss Neuro-oncology Society Swiss Movement Disorders Society Extraordinary members: Swiss League against Epilepsy Aphasie Suisse