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The goal of the study was to determine the effect of a 1-h hour long forklift truck virtual simulator driving on the mechanism of autonomic heart rate (HR) regulation in operators. The participants were divided into 2 subgroups: subjects with no definite inclination to motion sickness (group A) and subjects with a definite inclination to motion sickness(More)
The study determined physiological and psychophysical responses to fire fighters' typical activities. Self-reported assessment of the most demanding fire fighting/rescue tasks were collected with a questionnaire. Then 19 voluntary fire fighters performed 3 simulated fire fighting/rescue tasks in protective clothing. Heart rate (HR), blood pressure and(More)
Previously, we have demonstrated that the timing of the nocturnal peak of activity of the pineal arylalkylamine-N-acetyltransferase - a key enzyme in the melatonin biosynthesis pathway - in 3-wk-old chickens kept from the day of hatch under controlled laboratory conditions (L:D 12:12) varies depending on the season of hatch (summer vs. winter). The present(More)
The goal of the study was assessment of the hour-long training involving handling virtual environment (sVR) and watching a stereoscopic 3D movie on the mechanisms of autonomic heart rate (HR) regulation among the subjects who were not predisposed to motion sickness. In order to exclude predispositions to motion sickness, all the participants (n=19)(More)
OBJECTIVES The aim of the study was to verify whether simultaneous responses from the muscular and circulatory system occur in the driver's body under simulated conditions of a crash threat. MATERIALS AND METHODS The study was carried out in a passenger car driving simulator. The crash was included in the driving test scenario developed in an urban(More)
Shift work and night work in particular, account for numerous disturbances in circadian biological rhythms of physiological activities. Shift workers most frequently complain of sleep disturbances manifested among others by sleep duration and quality, as well as by time of proper sleep and naps. Among methods used for the sleep assessment, subjective tests:(More)
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