Psikhologicheskie Issledovaniya • ISSN 2075-7999
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Cherednikova Т.V. L.M.Vekker information model of thinking in studies of schizophrenic thought disorders using factor analysis

Full text in Russian: Чередникова Т.В. Информационная модель мышления Л.М.Веккера в исследованиях расстройств мышления при шизофрении методом факторного анализа
The Bekhterev Psychoneurological Research Institute, Saint Petersburg, Russia

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Background. Modern positive-negative and three-dimensional models of thinking do not explain the variety of schizophrenic thought disorders. L.M.Vekker hierarchic information theory of thinking suggests at least 8 major types of structural thought disorders including disorders of operands, horizontal and vertical links operators and disturbances of inter-reversible word-image information re-encoding mechanisms. The goal of empirical study was to test whether L.M.Vekker model suggestions fit the structure of thought disorder factors obtained with the sample of patients with schizophrenia (N = 140). Methods. The battery of 8 tests of thinking, Rey Complex Figure test, the author scale of thought disorder assessment (32 parameters), expert evaluation (3 experts). The influence of sample size, methods, parameters and experts on factor solutions was estimated. Results. Regardless of the data variations seven factors are constantly identified: 4 factors correspond to structural thought disorder, 3 factors correspond to regulatory, communicative and intellectual disorders. Conclusion. The obtained results confirm the bilingual (verbal and figurative) nature of thought disorders, the presence of structural disorder predicted by the information model of thinking and the relative independence of structural thought disorder factors (Disorders of visual images, Pseudo-abstractive images, Verbal abstractness, Formalism–Clanging, Neologisms, Illogicality, Рaradigmatic logic-chopping, Impossibility of dissuading / ambivalence) from factors of regulatory, communicative and intellectual disorders.

Keywords: information theory of thinking, thought disorder, schizophrenia, structure of thought disorders, mechanisms of thought disorders, factor model of thought disorders, L.M.Vekker

 

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Received 5 March 2011. Date of publication: 24 June 2011.

About author

Cherednikova Tatyana V. Ph.D., Senior Research Associate, Laboratory of Medical Psychology, The Bekhterev Psychoneurological Research Institute, ul. Bekhtereva, str. 3, 192019 Saint Petersburg, Russia.
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Cherednikova Т.V. L.M.Vekker information model of thinking in studies of schizophrenic thought disorders using factor analysis. Psikhologicheskie Issledovaniya, 2011, No. 3(17), p. 2. http://psystudy.ru. 0421100116/0025. [in Russian, abstr. in English].

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