[Heart rate of operators with various levels of stress-tolerance].

ABSTRACT

The paper presents results of the investigation with 8 male subjects 25 to 36 y.o. attesting the existence of relation between stress tolerance evidenced from the data about tracking function during extended continuous wakefulness and the sympathetic activity assessed by heart rate values. Based on there results, the higher stress tolerance, the lower baseline sympathicotonia and the stronger sympathetic reactions to adequate stimuli.