Vagus nerve stimulation (VNS). Stimulation of the vagus nerve is a method of regulating the excitability of nerve cells without having inducing seizures. The vagus nerve, which starts in the brainstem, has several branches, and vagal nerve stimulation is used medically to normalize coronary heart fee in individuals with cardiac https://brainhealthusa.com/psychiatrist-in-san-marino-los-angeles-county/