Proceedings of the 5th International Conference on Physiological Computing Systems Acronym: PhyCS 2018 Event held on: September 19-21, 2018, in Seville, Spain Editors: Juan-Manuel Belda-Lois 1 , Chen Wang 2 , Manuel Domínguez Morales 3 , Alan Pope 4 and Hugo Plácido Silva 5 Affiliations: 1 Instituto de Biomecánica de Valência, Spain , 2 Xinhua Net, China , 3 University of Seville, Spain , 4 NASA, Retired, Distinguished Research Associate, United States , 5 IT- Institute of Telecommunications, Portugal ISBN: 978-989-758-329-2