[Functional organization of the sleep state in infants under normal conditions and in brain damage]

Polygraphic study of day sleep was carried out in 30 nurslings with consideration to the EEG, oculogram, muscle tone indices, variations in skin resistance, respiration, ECG, rheoencephalogram and rheogram of the calf. Nurslings with cerebral affections of perinatal genesis were examined by the same method. It was possible to distinguish the main stages of slow sleep and stages of rapid sleep in young nurslings, although the electroencephalographic expression of the stages in children had its specific features. Age dynamics of the polygraphic picture of sleep showed electroencephalographic, vegetative and motor components of sleep to distinctly coordinate by stages and, at the same time, to possess marked autonomicity; this was also confirmed by analysis of cerebral pathology.