The International Organization of Psychophysiology (IOP) was established as a nongovernmental organization in 1982. That year, IOP held the first World Congress in Montreal, Canada. Since then, 19 World Congresses have been held once every two years. Since 1983, the official journal, International Journal of Psychophysiology, which integrate neurosciences and behavioral sciences (cerebral psychophysiology, autonomic functions, cardiovascular psychophysiology, somatic psychophysiology) has been published by Elsevier. The goals of IOP are: The world-wide dissemination of information regarding psychophysiological research, teaching and applications. The establishment and stimulation of psychophysiological research, teaching and applications. The development and promotion of international collaborations and discussion in the field of psychophysiology. Many European, Australasian and Caribbean societies are affiliated to the Organization. Association of Psychophysiology and Neuropsychology (Turkey) Australasian Society for Psychophysiology (Australia, New Zealand and South East Asia) Greek Society of Psychophysiology (Greece)Macedonian Society of Psychophysiology (Macedonia) Società Italiana di Psicofisiologia e Neuroscienze Cognitive (Italy) Société de Psychophysiologie et de Neurosciences Cognitives (France) Japanese Society for Physiological Psychology and Psychophysiology (日本生理心理学会) (Japan) La Sociedad Cubana de Neurociencias (SoNECUB) (Cuba) For more information click on the following link: https://iopworld.wildapricot.org/ The 20th World Congress of Psychophysiology (IOP2020) will be held in Chengdu, China on September 1st to 5th, 2020 http://www.iop2020.com/index.html. In an effort to emphasize the international segment of ISNR, we have compiled a list of international events with links to obtain more information, below.