VNS works by: (A) deep brain stimulation, (B) vagal nerve stimulation, (C) magnetic stimulation, (D) convulsion production
Answer is B. Vagus nerve stimulation * Electrical stimulation of left vagus nerve * Stimulation of raphe nucleus and locus cereleus * Release of norepinephrine and serotonin * Side effects * Voice alteration Ref. kaplon and sadock, synopsis of psychiatry, 11 th edition, 1075