Fig. 1From: Practical and clinical utility of non-invasive vagus nerve stimulation (nVNS) for the acute treatment of migraine: a post hoc analysis of the randomized, sham-controlled, double-blind PRESTO trialThe Non-invasive Vagus Nerve Stimulation Device. Note: A previous model of the nVNS device was used by patients in the PRospectivE Study of nVNS for the acute Treatment Of migraine (PRESTO) trial. Image provided courtesy of electroCore, Inc. Abbreviation: nVNS, non-invasive vagus nerve stimulationBack to article page