The relevance of the problem being investigated is related to the importance of understanding the processes of mental states regulation in order to improve the quality and effectiveness of human’s life. Considering the key role of the individual’s self-system in the regulation of mental life, it determined the purpose of this study: to research the self-system and the nature of the relationship between its components and features of the mental states experience, as well as its connections with individual methods and styles of self-regulation. The leading research methods were testing, content analysis of self-reporting texts, followed by analysis of statistical connections and differences. The article presents conclusions about the level structure of the self-system; the peculiarities of the relationship of its components with the global attitude to the world are presented. The research results confirm the involvement of the self-system in actualization of reflexive processes, the formation of behavioral patterns occurring in the process of mental states regulation. Practical application of the obtained data may consist in creating, on the basis of the results of the study, tools of psychological counseling and correction of students’ conditions.

self-system, self-consciousness, unbalanced mental states, self-regulation, subjective experience