This editorial describes a new hypothesis concerning the nature and possible mechanisms of the Nogier reflex or reflex auriculo-cardiac (RAC; also vascular autonomic signal VAS). A multimodal concept for future RAC research is proposed.
Keywords: Nogier reflex; auricular medicine; auricular therapy; ear acupuncture; ear stimulation; new hypothesis; reflex auriculo-cardiac (RAC); vascular autonomic signal (VAS).