Psychophysiological approach to the diagnostics of cognitive processes in schizophrenia
Abstract
The article discusses the possibilities of the psychophysiological approach to the assessment of cognitive functions. Diagnostics was carried out using the psychophysiological method of visocontrastometry and psychological methods. The relationship of perception, thinking process as well as the characteristics of memory and attention is discussed. The functional state of the magnocellular and parvocellular visual systems, characteristics of their interaction with cognitive functions was analyzed. The data obtained made it possible to establish that the activity of the magnocellular system is associated with working memory features and the properties of attention. Hyperactivation of the magnocellular system is accompanied by a violation of the selective attention. The contribution of magnocellular and parvocellular systems (mechanisms of global and local analysis) to the implementation of thinking processes has been discovered. Comparative analysis showed an increase in the activity of the magnocellular neural system (the mechanism of global analysis) and a decrease in the activity of the parvocellular system (the mechanism of local analysis) in the first episode of schizophrenia, and a decrease in the sensitivity (activity) of both neuronal systems in the chronic form of schizophrenia.
About the Authors
I. A. Tregubenko
Pavlov First Saint Petersburg State Medical University
Russian Federation
Russian Federation
Ilya Aleksandrovich Tregubenko – PhD Psychol. Sci., Associate Professor of the Department of General and Clinical Psychology
Tolstogo Str., 6–8, St. Petersburg, 197022
E. R. Isaeva
Pavlov First Saint Petersburg State Medical University
Russian Federation
Russian Federation
Elena Rudolfovna Isaeva – Dr. Psychol. Sci. Full Professor, Head of the Department of General and Clinical Psychology
Tolstogo Str., 6–8, St. Petersburg, 197022
Y. V. Mukhitova
Pavlov First Saint Petersburg State Medical University
Russian Federation
Russian Federation
Yulianna Vladimirovna Mukhitova – PhD Psychol. Sci., Associate Professor of the Department of General and Clinical Psychology
Tolstogo Str., 6–8, St. Petersburg, 197022
I. I. Shoshina
Pavlov Institute of Physiology, Russian Academy of Science
Russian Federation
Russian Federation
Irina Ivanovna Shoshina – Dr. Biology. Sci., Principal Research Associate of the Laboratory of Physiology of Vision
Makarova emb., 6, St. Petersburg, 199034
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Review
For citations:
Tregubenko I.A., Isaeva E.R., Mukhitova Y.V., Shoshina I.I. Psychophysiological approach to the diagnostics of cognitive processes in schizophrenia. Bulletin of psychotherapy. 2021;1(77):84-98. (In Russ.)
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