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Brain mechanisms of the readiness to speakстатья Тезисы
Статья опубликована в высокорейтинговом журнале
Статья опубликована в журнале из списка Web of Science и/или ScopusДата последнего поиска статьи во внешних источниках: 29 мая 2015 г.
- Авторы: Glozman J.M., Vartanov A.V., Kiselnikov A.A.
- Журнал: Journal of the International Neuropsychological Society : JINS
- Год издания: 2004
- Издательство: Cambridge University Press
- Местоположение издательства: United Kingdom
- Первая страница: 57
- Последняя страница: 57
- Аннотация: The readiness to speak is an important component of the verbal functional system. Component disturbances form the main mechanism of stuttering. This paper is a cross-disciplinary cognitive and neural analysis of the mechanisms of speech in normal and stuttering subjects. It is aimed to identify the neural and neuropsychological mechanisms of stuttering, a frequent and stable disorder of speech, revealed in about 3.5% of the population, both children and adults, severely interfering with their cognitive and social functioning. The original method of analysis of electrical brain waves images preceding pronunciation combining: the 16 channel electroencephalography (EEG) with spectral analysis; event related brain potentials with multimodal approach to source reconstruction; the dipoles model of space localization of cerebral activation with differentiation of cortical and subcortical components of this activation; mapping methods - together with the magnetic resonance imaging (MRI) and the comprehensive neuropsychological assessment using Luria methods reveal the neural mechanisms of readiness for speech (verbal action preparation). The preliminary cerebral activity is synchronized both with verbal sounds perception and with word pronunciation. A comprehensive neuropsychological assessment proves that the neural organization of the readiness to speak is related to individual patterns of cognitive functioning and the cerebral dominance of subjects. Both inter- and intrahemispheric interactions of brain structures realize the readiness potentials. A longitudinal follow-up proves that these interactions are the subject of changes during speech rehabilitation. It opens possibilities for neural analysis of different levels of conscious representation, as well as for studying coordination and integration of cerebral structures, providing verbal regulation and mediation of human conscious activity.
- Добавил в систему: Вартанов Александр Валентинович