Bakgrundsljud : En studie om mental arbetsbelastning i kontorsmiljöer

Detta är en Kandidat-uppsats från Luleå tekniska universitet/Institutionen för ekonomi, teknik och samhälle; Luleå tekniska universitet/Institutionen för ekonomi, teknik och samhälle

Sammanfattning: Office environment and its configuration evolve constantly. Research has shown that office environment affects the health of the employees, at work as well as off work. This study used an experimental design aiming to find out how mental workload is affected by background noise in an environment similar to office landscapes compared to a silent environment that resembles a private office. Subjects performed tasks in a simulated office environment where brain activity (EEG), sweat levels (GSR) and self-assessments (NASA-TLX) measured mental workload. Results from the different measures were later compared. NASA-TLX showed that background noise made the task more mentally demanding than an environment without background noise. However, the EEG and GSR data did not show any measurable effect of the sound conditions. A possible explanation to the results could be that the subjects were stressed before the experiment and that the tasks were too mentally demanding. The result regarding perceived mental demand in a noisy environment is consistent with previous research. Perceived mental demand can have a negative impact on health and productivity according to previous research. 

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