Creative Thought and the Structural Organization of Cerebral Cortical Formations in Outstanding Scientistsстатья
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Дата последнего поиска статьи во внешних источниках: 17 апреля 2024 г.
Аннотация:Objectives. To study the characteristics of the cytoarchitectonic structure of the prefrontal cortex, the upperparietal cortex, and Broca’s speech motor area of the lower frontal cortex of the brains of two prominentRussian scientists as compared with the analogous cerebral cortex of men in a control group of the same age.Materials and methods. The study was carried out using series of frontal paraffi n sections of the brains ofan outstanding physiologist (86 years old) and a physicist (78 years old), as well as a control group of menof the same age group. Sections were stained with cresyl violet by the Nissl method. Morphometric indicatorswere studied using a Leica image analysis system (Germany): neuron size was determined, along withneuron and glial cell densities. Results. Differences in the neuronal organization of the study areas of thecerebral cortex of prominent scientists were found, apparent as signifi cantly more marked radial striationand horizontal stratifi cation of the cortex. Conclusions. The sizes of pyramidal neurons and the numbers ofneurons surrounded by satellite glia in the cerebral cortex of prominent scientists were signifi cantly greaterthan those in the brains of men in the control group.