У статті проаналізовано норми усного наукового спонтанного висловлення у зв’язку з психолінгвальними чинниками формування спонтанного мовного потоку. При цьому актуалізовано ідеї, погляди, підходи Олександра Опанасовича Потебні щодо пояснення специфіки ословлення думки, формування судження, поняття. Відзначено діалектичність взаємозв’язку символічних і слабких мовних норм, що становлять якісну ознаку усної спонтанної мови загалом. (The article analyzes the scientific standards of spontaneous verbal expression because of psycholinguistic factors in the formation of spontaneous speech stream. The analyzed material showed that spontaneous verbal text is formed gradually, in portions, through associative connections. Talking can do pause and return to have said, repeating the expression of certain components and adjust its content and the way verbalization sense, control logic, composite, syntactic and lexical and phraseological correctness, connectivity, logical adequacy. Because of this oral scientific markers in spontaneous utterance – a significant factor in the organization of information flow language. Elements of the so-called redundancy and elements of hesitation – a situational caused by non-normative terms written practice elements that prove the spontaneity of the speech stream, psychological and emotional stress speaking in terms of formal scientific communication, which requires a correct, clear, logical design attitudes, opinions senders. Such phenomena study began relatively recently. In order to make sweeping generalizations, need comprehensive, typological studies of spontaneous oral language in different genre and discursive conditions. This will clarify regulatory features of this genre and stylistic variety. Modified arguments and ideas, opinions, attitudes Olexandr Potebnia to explain specific verbalization opinion forming judgments, concepts. Attention to this theoretic material due to the fact that this year marks the philological community 180 years from the birth of the philosopher and Slavist. His work always in the circle of attention of philologists and still in need of updating, the promotion is in Ukrainian linguistics, for the scientist made his time Kharkiv philological school. Noted dialectical relationship and weaknesses of symbolic language rules that make quality a sign of spontaneous oral language in general. More analysis of symbolic language communication standards regulations. Much attention is given to the weak representation of language norms in oral scientific spontaneous utterance.)