The Society for Psychophysiological Research (SPR) is an international scientific organization with over 800 members worldwide. The society focuses on the interrelationships between the physiological and psychological aspects of behavior. The 66th Annual Meeting of the SPR will be held in Halifax, Canada, from October 14-17, 2026. The event will feature symposia, poster sessions, plenary talks, and pre-conference workshops on various psychophysiological research topics. The SPR aims to continue exploring new theories, methods, and research while connecting anatomy and physiology with psychological phenomena.