The relevance of the study of the linguistic representation of psychological practices is due to the need to introduce complex effective methods into the professional use of psychologists, allowing clients to cope with problematic psychological conditions. It is the linguistic perspective of considering these practices, the analysis of the word usage associated with them, that will increase their effectiveness by outlining the image of the linguistic personality. Interjection performs the function of mediation between the verbal and nonverbal levels, acting as an ideal linguistic element for both elaboration and representation of such psychological practice. In turn, research at the intersection of sciences will allow solving topical linguistic problems related to interjections. The article describes for the first time the author's psychological method of integrative voice therapy of O.B. Plistik and investigates the linguistic side of this technique: the features of the use of interjections in the framework of the practice "Human world order in the field of sound", which is the basis for integrative voice therapy. The article analyzes the data obtained during the survey based on the results of a free associative experiment, showing a tendency to the distribution of interjections according to the stratification developed within the framework of integrative voice therapy. The obtained results provide a rich material for the study of the features of the modern Russian-speaking picture of the world and the specific features of the linguistic personality correlated with the respondents.