[18F]-Fluorodeoxyglucose FDG-PET images acquired during baseline (on the left, pre-VNS) and 3 months post vagus nerve stimulation (on the right, post-VNS). After vagus nerve stimulation, the metabolism increased in the right …more A 35-year-old man who had been in a vegetative state for 15 years after a car accident has shown signs of consciousness after...