Vagus nerve stimulation (VNS). Stimulation with the vagus nerve is a means of regulating the excitability of nerve cells devoid of inducing seizures. The vagus nerve, which starts inside the brainstem, has numerous branches, and vagal nerve stimulation is used medically to normalize coronary heart rate in individuals with cardiac https://brainhealthusa.com/psychiatrist-in-san-marino-los-angeles-county/