N L Rubinskaia

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It has been shown that resting forms of the primary sleep in the frog and intermediate sleep in the tortoise (P-1, P-2 and P-3) differ from each other with respect to neurochemical characteristics. Cytospectrophotometric studies reveal the increase in the content (per one cell) and concentration of total protein and RNA in cells of the preoptic nuclei of(More)
In chronic experiments on rats, using the Jouvet technique, paradoxical sleep deprivation entailed disturbances in both the sleep cycle and the mechanism for regulation of the circadian sleep--wakefulness cycle. The sleep cycle disturbances involved, in the first place, a considerable reduction of the paradoxical sleep, diminishing of the profound slow-wave(More)
In vertebrates (excluding mammals), the rest is presented also by a special functional condition of the catalepsy type. In hens, its total duration is higher in the day-time, than in the twilight; it is completely absent at night. This natural condition in hens may be imitated by photogenic catalepsy which is developed in response to rhythmic illumination(More)
In rats placed into the small cylindric cages for 46--60 days, the RNA contents per 1 cell increased in neurons and glial cells of hypothalamic supraoptic nucleus, did not change in the nervous cells of the motor cortex, and decreased in the lumbar spinal cord cells. Concentrations of SH-groups in the motor cortex homogenate, GABA and treonine in cerebral(More)
Natural sleep entails an increase of the RNA concentration and absolute content (per 1 cell) in the gliocytes of the locus coeruleus and a decrease of the protein absolute content in the neuron cytoplasm. Within 24-hr REM-sleep deprivation, the protein and RNA concentrations remained constant in neurons and gliocytes whereas the RNA absolute content(More)
The brain of rats flown aboard the biosatellite Cosmos-782 was sampled immediately postflight and taken under neurochemical study. It was shown cytospectrophotometrically that the absolute content of RNA decreased by 20% in the cytoplasm of cerebellar Purkinje cells and remained unaltered in glial cells-satellites, and that the protein content did not(More)
On the 2nd postflight day the activity of neutral protamine peptide hydrolase of different compartments of the rat brain did not differ from the control level. With respect to the protein and RNA content and concentration motoneurons of anterior horns of the spinal cord and their glial-cells-satellites of rats exposed to the ground-based synchronous(More)