Electric fields can stimulate deep in your brain without sur
It’s one of the boldest treatments in medicine: delivering an electrical current deep into the brain by implanting a long thin electrode through a hole in the skull.

Such “deep brain stimulation” (DBS) works miracles on people with otherwise untreatable epilepsy or Parkinson’s disease – but drilling into someone’s head is an extreme step. In future, we may be able to get the same effects by using stimulators placed outside the head, an advance that could see DBS used to treat a much wider range of conditions....