Vagus nerve stimulation (VNS)

Overview

Vagus nerve stimulation involves the use of a device to stimulate the vagus nerve with electrical impulses. An implantable vagus nerve stimulator is currently FDA-approved to treat epilepsy and depression. There’s one vagus nerve on each side of your body, running from your brainstem through your neck to your chest and abdomen.

In conventional vagus nerve stimulation, a device is…