Fig. 3From: Overview of therapeutic applications of non-invasive vagus nerve stimulation: a motivation for novel treatments for systemic lupus erythematosusTwo non-invasive VNS devices. NEMOS is a transauricular VNS device that stimulates the cymba chonca. GammaCore is a transcervical, self-administered VNS device stimulating through the neck to the cervical VN (Yuan and Silberstein 2016)Back to article page