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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)
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)
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)