Vagus nerve stimulation (VNS). Stimulation from the vagus nerve is a means of regulating the excitability of nerve cells without having inducing seizures. The vagus nerve, which begins inside the brainstem, has many branches, and vagal nerve stimulation is used medically to normalize coronary heart rate in individuals with cardiac https://brainhealthusa.com/psychiatrist-in-santa-clarita-los-angeles-county/