Vagus nerve stimulation (VNS). Stimulation on the vagus nerve is a method of regulating the excitability of nerve cells without inducing seizures. The vagus nerve, which begins within the brainstem, has several branches, and vagal nerve stimulation is utilized medically to normalize coronary heart price in those with cardiac arrhythmias. https://brainhealthusa.com/psychiatrist-vernon-los-angeles-county/