The article is devoted to the study of the organization of the mental lexicon of a language personality. This research focuses on finding answers to the questions: are there stable correlations between a person’s language / speech biography and the characteristics of the systemic connections of words in his or her mental lexicon? Purpose. The aim of this article is to present a number of arguments in favor of the validity of the hypothesis that one of the factors affecting the speech production of an individual (his or her language personality), and, consequently, the structure and content of the mental lexicon, is language and speech biography. Methodology. The main methods used in the study include a structured interview method, element...