[Sex dimorphism of neuron-glia correlations in the frontal areas of the human brain].

In the series of frontal 20 microm thick paraffin sections, stained using Nissl's cresyl violet method, frontal areas 8, 10, 12, 47 were studied. The important parameters of neuronal functional and metabolic activity--total density of pyramidal neuron distribution (N), the density of satellite gliocyte distribution (SG), the density of the distribution of the neurons, surrounded by satellite glia (NS) as well as the neuron-glia index (NS/N)--were calculated in the cortical layers III and V, areas 8, 10, 12, 47 in both left and right hemispheres in 0.001 mm3 of brain substance.

[The neuronal-glial correlations in areas of the frontal area of the brain in children at different stages of life].

Density of location of all the pyramid neurons (N), satellite glia (SG) and neurons surrounded by it (NS) in brain cortex fields 8 and 47 was studied by cytoarchitectonic and qualitative methods using MBI-3 microscope, Continuous growth of number of NS, SG and NS/N, the important parameters of neuronal activity, was established. This process is irregular. It lowers and intensifies at 2 "crucial" periods of ontogenesis, where difference in neuron activity between fields is most distinct.

[The cytoarchitectonic characteristics of the frontal fields of the brain in gifted people].

Frontal area fields 8 and 47 were studied in gifted people of different age using series of frontal paraffin slices. Neuronal parameters were detected. Density of localization was determined in neurons and gliocytes including perineuronal ones and also in lipofuscin, containing neurons and those surrounded with satellite gliocytes.

[The problem of the individual variability of the human brain].

Series of frontal sections, 20 microns thick, were used to study the individual cytoglio-architectonic features of fields 8.8, 39, 40, 41, 43, 44, 45, 47 of the caudate nucleus, dorsomedial nucleus of the thalamus, Meynert's nucleus in 12 persons aged 29 to 89 years. The profile fields of neurons, their density and the density of gliocytes, including perineuronal ones were measured by computed morphometry, the cellular composition was determined from size of neurons, as well as the neuroglial and neuroperineuronal indices were defined.

[Fronto-striatal correlations in normal and pathologic aging of the human brain].

In psychically healthy persons of three age groups (30-40, 50-60, 80-90 years), as well as in those suffering from Alzheimer's disease (50-60 years) right and left hemispheres formations, including into a single functional system (fields 8, 10, 47 and the nucleus caudatus) have been investigated. Using the series of frontal paraffin sections 20 mcm thick, stained after Nissl and Bielschowsky methods, cyto-glioarchitectonics and neuronal composition of the structures mentioned have been studied. In 0.