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PL
Stosowanie technologii informacyjno-komunikacyjnych (ICT) w wielu dziedzinach gospodarki przy nosi wiele korzyści1 powstanie nowych zawodów i rozwój nowych dziedzin usług, a także nowych form zatrudnienia (np. praca mobilna), wzrost elastyczności i autonomii w pracy, sprzyja utrzymani zdolności do pracy, wysokiej wydajności i innowacyjności pracowników, co wpływa na efektywność przedsiębiorstwa. Jednakże wykorzystywanie ICT powoduje wzrost wymagań pracy, przeciążenie pracą, konfliktem ról, stałą koniecznością uczenia się, zacieranie granic praca-życie. sprzyja izolacji zawodowej i społecznej, wypaleniu zawodowemu, uzależnieniu od Internetu i in. Dlatego konieczne jest podjęcie działań zapobiegawczych: prowadzenie okresowej oceny środowiska pracy i jego wpływu na funkcjonowanie pracowników pozwalające na wprowadzanie stosowne modyfikacji.
EN
Implementation of information and communication technologies (ICT) in many economy domains results a rise of new professions and new services, in new forms of employment (e.g, mobile work), in an increase in autonomy and flexibility at work. It encourages workers' work ability, high effectiveness and innovativeness, which impact business efficiency. However, ICT increase work demands, work overload, role conflicts they result in the need for continual learning, a blurring of the work-life boundary; they are conducive to occupational and social isolation, burnout, Internet addiction, etc. Therefore, prevention measures are required periodical assessment of the work environment and its impact on workers' functioning permitting implementation of relevant modifications.
2
Content available Annoyance Related to Wind Turbine Noise
EN
A questionnaire inquiry on response to wind turbine noise was carried out on 361 subjects living in the vicinity of 8 wind farms. Current mental health status of respondents was assessed using Goldberg General Health Questionnaire GHQ-12. For areas where respondents lived, A-weighted sound pressure levels (SPLs) were calculated as the sum of the contributions from the wind power plants in the specific area. Generally, 33.0% of respondents were annoyed outdoors by wind turbine noise at the calculated A-weighted SPL of 31–50 dB, while indoors the noise was annoying to 21.3% of them. The propor- tion of subjects evaluating the noise produced by operative wind turbines as annoying decreased with increasing the distance from the nearest wind turbine (27.6% at the distance of 400–800 m vs 14.3% at the distance above 800 m, p < 0.016). On the other hand, the higher was the noise level, the greater was the percentage of annoyed respondents (14.0% at SPL up to 40 dB vs 28.1% at SPL of 40–45 dB, p < 0.016). Besides noise and distance categories, subjective factors, such as general attitude to wind turbines, sensitivity to landscape littering and current mental health status, were found to have significant impact on the perceived annoyance. About 50% of variance in annoyance rating might be explained by the aforesaid subjective factors.
3
Content available remote Influence of low frequency noise on cognitive performance tasks
EN
To study the influence of low frequency noise (LFN) on cognitive performance tasks, 96 subjects, categorised in terms of sensitivity to LFN, worked with four standardised psychological tests during exposure to LFN or broadband noise without dominant low frequency content (reference noise) at a level of 50 dB(A). It was found that the test results were influenced by exposure and/or noise sensitivity. Regardless of sensitivity to noise, poorer results in the LFN (compared to reference noise conditions) were noted in the Comparing of Names Test (a tendency to more erroneous responses). High-sensitive subjects achieved poorer results than others during exposure to LFN in the Stroop Colour-Word Test (a significant interaction between noise and noise sensitivity in case of reading interference) and in the Continuous Attention Test (a tendency to more erroneous reactions). These findings suggest that LFN at moderate levels could adversely influence cognitive performance tasks and subjects high-sensitive to LFN may be at highest risk.
4
Content available remote Does low frequency noise affect human mental performance?
EN
To study the influence of low frequency noise (LFN) on mental performance and subjective well-being, 192 male subjects, categorised in terms of sensitivity to noise in general, and to LFN in particular, worked with four standardised psychological tests. Three different acoustic conditions were used in the experiment: the background laboratory noise, LFN, and the broadband noise without dominant low frequency content (reference noise) at a level of 50 dB(A). The influence of exposure and/or noise sensitivity on the tests' results or their interaction were found in three of the four performed tests. Poorer results in the LFN (compared to other noise conditions) were observed in person classified as high-sensitive to noise in general and low-sensitive to LFN in the Signal Detection Test (more erroneous responses). The annoyance of LFN and reference noise was rated higher than that of the background noise. Subjects high-sensitive to noise in general reported the highest annoyance due to LFN. In conclusion, LFN at moderate level could be perceived as annoying and adversely affecting attention and visual perception, particularly in subjects high-sensitive to noise.
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