Vagus nerve stimulation (VNS). Stimulation of the vagus nerve is a means of regulating the excitability of nerve cells with no inducing seizures. The vagus nerve, which starts within the brainstem, has quite a few branches, and vagal nerve stimulation is applied medically to normalize coronary heart rate in people https://brainhealthusa.com/psychiatrist-in-san-marino-los-angeles-county/