Université de Genève Jun 8 2026 Brain stimulation techniques can correct abnormal activity in the neural circuits involved in conditions such as Parkinson's disease and depression. However, current transcranial stimulation methods delivered through the scalp reach only the brain's surface, limiting their effectiveness. Deep brain stimulation, on the other hand, can target deeper structures but requires surgical implantation of electrodes. A team from the Synapsy Centre for Neuroscience and