Physiological, psychological and attention related performance problems of shift work system in Aselsan

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2014

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Bilgin Koçak, Ece

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Shift work is inevitable and increasing demand of working society of modern society. In this study, one aim was to observe physiological and psychological consequences of shift work on workers of Aselsan. Survey of Shift workers is used for this purpose, and as a result, some consequences of shift work is observed on cardiovascular and digestive symptoms, but in general trend, participants does not complain about physiological and psychological concerns. This can be explained by the young age group. Some complaints are seen on sleep disturbance levels due to disrupted circadian mechanisms of workers. Another aim was to measure attention related performance problems of workers. Attention levels of three-shift workers is examined throughout three different shifts. Hemoglobin and oxy-hemoglobin levels measured by fNIR device which gives information about attention levels of participants. Also reaction time tests are applied while fNIR devices are attached. As a result, decreased attention levels are observed in morning shifts where both fNIR and RTT results overlaps. Increased attention levels are observed by fNIR device in evening and night shifts which was oppose to RTT results. fNIR is a new technology, and did not used in shift work area before, so different participant numbers and experiment protocols can be tried in future works.

Subject Keywords

Shift systems., Hours of labor., Labor time., Labor productivity., Work, Work

URI

http://etd.lib.metu.edu.tr/upload/12616825/index.pdf
https://hdl.handle.net/11511/23338

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Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

E. Bilgin Koçak, “Physiological, psychological and attention related performance problems of shift work system in Aselsan,” M.S. - Master of Science, Middle East Technical University, 2014.