Аннотация:Objective: Objective of the study is to quantitatively specify the pattern of defects in neurocognitive functioning in people with stuttering. Participants and Methods: All subjects participated in complex neuropsychological assessment (Luria, 2013) with quantitative analysis of the results (Glozman, 2012). The assessment was designed to evaluate the following cognitive functions: visual functions, motor functions, speech, memory, intellectual processes, neurodynamics component of cognitive activity. The frequency manifestation of the discovered symptoms was calculated for each of these functions (registered in ‘penalty points’ on a scale from 0 to 3). The discovered symptoms were also attributed to a certain brain region by calculating the distribution of these symptoms, normalized for the number of symptoms, which can be potentially caused by each brain region (calculated in %). Subjects. 33 patients with clinically verified diagnosis of stuttering (23 men, 10 women, mean age 24.5±5.3 years old). Results: The highest ‘penalty point’ score was discovered for memory (0.88); moreover, it is higher for visual memory than for the verbal. Relatively high scores were also obtained for the neurodynamics component of cognitive activity (0.42) and motor functions (0.37). The results of symptoms localization show the following pattern: posterior frontal region of the brain is the most involved in the syndrome of stuttering (25.2%), along with basal and deep brain structures (16.3%) and parietal-temporal-occipital area (16.7%). This neuropsychological syndrome adds to the speech fluency defects in stuttering. Conclusions: Neurorehabilitation of people with stuttering should focus not only on the defects of speech fluency but also on the specific neurocognitive defects.