From web site Autors: Dominga Lapi , 1,* Rossana Scuri , 2 and Antonio Colantuoni 1 1 Department of Clinical Medicine and Surgery, “Federico II” University Medical School, Naples, Italy 2 Department of Translational Research on New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy Edited by: Bernhard Schaller, University of Southampton, UK 1 Department of Clinical Medicine and Surgery, “Federico II” University Medical School, Naples, Italy 2 Department of Translational Research on New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy Reviewed by: Thiago S. Moreira, University of S茫o Paulo, Brazil; Deoclecio Alves Chianca-Jr., Universidade Federal de Ouro Preto, Brazil *Correspondence: Dominga Lapi ti.ipinu.bfd@ipal.d This article was submitted to Autonomic Neuroscience, a section of the journal Frontiers in Neuroscience ABSTRACT The stimulation of some facial regions is known to trigger the tri...