EN
The article reviews the problems of influence of a person’s work on its personal development and its cognition of objective reality. Activity of a person is the primary way of its development. Due to rapid changes of types and character of a work, human’s mental changes as well. New informational technologies, intellectualization of person’s activity cause inevitable influence on the way of human’s cognition of the world. In order to understand these changes, it’s necessary to know well the features of mental processes that take place in the personality itself, to understand the influence of mental states and changing of mental attributes of a person on the level of cognition of the objective world.