Article Topic: Vagus nerve stimulation (VNS) Author: Malek AlHourani Edited: Almutazballlah Qablan, Sadeen Eid. Reviewer: Ethar Hazaimeh Keywords: vagus nerve stimulation, vagus nerve, refractory epilepsy, electrical stimulation Overview of the vagus nerve The Latin word vagus means ‘wandering’ and it somewhat explains the unique course of the 10th cranial nerve, the vagus nerve. The vagus nerve travels from the medulla to the colon mainly innervating the thoracic and abdominal organs. During this course, branches innervate various structures such as the larynx, pharynx, heart, lungs, and gastrointestinal tract. 1 The vagus nerve is a mixed nerve, composed predominantly of 80% afferent nerve fibers […]