Vagus nerve stimulation (VNS). Stimulation in the vagus nerve is a means of regulating the excitability of nerve cells without inducing seizures. The vagus nerve, which commences while in the brainstem, has many branches, and vagal nerve stimulation is employed medically to normalize heart charge in individuals with cardiac arrhythmias. https://brainhealthusa.com/psychiatrist-vernon-los-angeles-county/