The article substantiates the importance of using an interdisciplinary approach to the study of language personality. A variety of scientific concepts about the content, level model and structural‑component composition of the linguistic persona are demonstrated; information on the formation of this phenomenon in the field of related humanities, in particular in the relationship of linguistics, literature, psycholinguistics, psychology, medicine. Within the framework of psycholinguistics, classifications of language personality depending on normative or specific speech are distinguished. Traced is the migration of the term ‘accentuation’ from medicine to linguistics.