A field of ergonomics that studies human cognitive processes in human-machine systems, including perception, attention, memory, thinking, and decision-making. Cognitive ergonomics examines the mental patterns, workload, situational awareness of the operator. According to research in the field of engineering psychology, this area of ergonomics is aimed at optimizing interfaces, procedures, and training to increase reliability and efficiency of activities. It is especially relevant in the era of information technology and production automation.