The book presents modern scientific views in the field of the nature, formation and development of speech, combining the fields of linguistics, psychology, pedagogy. It proposes new technologies for teaching foreign languages to adults, including those who have negative experience of mastering languages or are starting to their study for the first time. A special place in the book is given to Integrative Linguistic-Psychological Training (ILPT) as a methodological basis for teaching foreign language speech. The scientific principles and applied aspects of ILPT are revealed for the purpose of using this method in pedagogical practice. The book is intended for students of higher educational institutions receiving education in philological, psychological and pedagogical specialties. It may be useful to a wide range of scientists and practitioners whose interests and activities are related to linguistics, psychology, pedagogy, and teaching foreign languages.