Activity Theory in Work Psychology and Ergonomics. General Characteristics of Activity Approach. Vector "Motive → Goal" as a Basic Concept of Activity Theory. Vector "Motive → Goal" and Brain Function. Concept of Task in Psychology and Ergonomics from Activity Theory Perspective. Basic Concepts and Terminology of Activity Theory. Informational and Energetic Components of Mental Activity. Cognitive Processes as Stages of Receiving, Transformation and Transmitting Information. Energetic-Informational Components Of Mental Activity. Self-Regulation and Human Performance. Analysis of Existing Concepts of Self-Regulation beyond Activity Theory. Concept of Self-Regulation in Activity Theory and Its Psycho-Physiological Analysis. Self-Regulation of Motor and Sensory-Motor Components of Activity. Self-Regulation of Cognitive Processes. General Principles of Self-Regulation of Activity and Strategies of Performance. Study Learning and Training as Self-Regulation Process. Qualitative and Formalized Stages of Activity Analysis and Design. Introduction to Ergonomic Design. Time Studies and Design. Work Pace and Ergonomic Design. Morphological Analysis of Work Activity. Quantitative Assessment of Human Performance and Work Design. Quantitative Assessment of Task at the Work Mechanization and Automaticity Stages. Quantitative Methods of Computer Based Tasks Assessment.