умственная отсталость, младшие школьники, сироты, вегетативная регуляция, Agriculture, Science

We examined 105 children of 7–11 years old, 18 of them children with mental retardation, who were brought up in a specialized orphanage. The control group consisted of 87 schoolchildren of the same age. The activity of the autonomic nervous system assessed by cardiointervalography, with the subsequent calculation of derived indices. During the study, a significant increase in the activity of the parasympathetic ANS was recorded against the background of a decrease in the central regulation mechanisms in orphans with mental retardation, which may indicate a violation of the mechanisms of vegetative regulation in this group of children. The revealed deviations may be associated with the influence of many-sided deprivation, which children inevitably experience in a boarding house.