Vagus nerve stimulation (VNS). Stimulation of your vagus nerve is a way of regulating the excitability of nerve cells devoid of inducing seizures. The vagus nerve, which begins in the brainstem, has several branches, and vagal nerve stimulation is utilised medically to normalize heart charge in people with cardiac arrhythmias. https://brainhealthusa.com/psychiatrist-in-arcadia-los-angeles-county/