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DAILY VARIATIONS IN PSYCHOPHYSIOLOGICAL FUNCTIONS ACTIVITIES IN SHIFTWORK OPERATORS UNDER INCREASED WORK TENSION AND ITS CONNECTION WITH AGE AND EXPERIENCE

DAILY VARIATIONS IN PSYCHOPHYSIOLOGICAL FUNCTIONS ACTIVITIES IN SHIFTWORK OPERATORS UNDER INCREASED WORK TENSION AND ITS CONNECTION WITH AGE AND EXPERIENCE

https://doi.org/10.33573/ujoh2006.01.026

Bobko N.A.

DAILY VARIATIONS IN PSYCHOPHYSIOLOGICAL FUNCTIONS ACTIVITIES IN SHIFTWORK OPERATORS UNDER INCREASED WORK TENSION AND ITS CONNECTION WITH AGE AND EXPERIENCE

Institute for Occupational Health of AMS of Ukraine, Kiev

Full article (PDF), UKR

Unit operators in a heat power plant were investigated by 3 times over morning, evening and night shift (375 human-investi-gations). It is revealed that under increased work tension the criteria of the operator satisfied shiftwork adaptation could be the absence of the pronounced daily variations in the cognitive performance and cardiovascular system (CVS) work parame-ters. At the deficient adaptation the increase in daily variations of cognitive performance, reflecting the decrease in the pro-fessional operator reliability within daily circle (noted with aging), and inversion in normal daily rhythms of CVS work para-meters in particular with synchronisation of maximums of blood pressure (BP) and heart rate at the evening shift (especially pronounced in the group 45+ years) were found. Age increase in diastolic BP and decrease in short-term memory were revealed in the evening shift. With an increase in the experience of energetic unit operator the vegetative Kerdo’s index decreases in the evening shift and increases at night.

Key words: cardiovascular system, cognitive shift work, age

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