The article was written as part of a study on the project of the Science Committee of the Ministry of Education and Science of the Republic of Kazakhstan № AРO9259875 "Development of algorithms for recognizing negative emotional states of servicemen of the Armed Forces of the Republic of Kazakhstan (The head of Madalieva Z.B)". The material of the article is of an overview nature and is devoted to theoretical and practical aspects of the problem of recognizing negative emotional states. In particular, a brief overview of the theoretical aspects of the recognition of emotional states is presented, the practical experience of the recognition of emotional states is analyzed, and a brief analysis of modern software is made that automatically assesses a person's emotional states. Three main trends of research on the problem of recognition of emotional states are identified; the relationship of the problem with the study of emotional intelligence and emotional flexibility is established. A brief overview of emotion recognition methods based on various input data, such as biometrics, video channel or behavioral data is provided. Based on a number of articles, it is substantiated that the processes of emotion regulation are a factor of human psychological health, and their successful recognition is associated with the normal development of the individual.

The Discussion section highlights and analyzes various modern trends in the implementation of the problem of recognition of emotional states. In conclusion, the prospects of this industry and its connection with other applied research areas are outlined.