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Effect of Shift Work on Cognitive Function in Chinese Coal Mine Workers: A Resting-State fNIRS Study

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  • Fangyuan Tian

    (Institute of Safety Management & Risk Control, School of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
    Institute of Safety & Emergency Management, School of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China)

  • Hongxia Li

    (Institute of Safety Management & Risk Control, School of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
    Institute of Safety & Emergency Management, School of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
    School of Management, Xi’an University of Science and Technology, Xi’an 710054, China)

  • Shuicheng Tian

    (Institute of Safety Management & Risk Control, School of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
    Institute of Safety & Emergency Management, School of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China)

  • Jiang Shao

    (School of Architecture & Design, China University of Mining and Technology, Xuzhou 221116, China)

  • Chenning Tian

    (Institute of Safety Management & Risk Control, School of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
    Institute of Safety & Emergency Management, School of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China)

Abstract

Aim: Pilot study to examine the impact of shift work on cognitive function in Chinese coal mine workers. Background: Shift work is commonly used in modern industries such as the coal industry, and there is growing concern over the impact that shift work has on miners’ work performance and personal well-being. Method: A total of 54 miners working three shifts (17 in morning shift, 18 in afternoon, and 19 in night shift) participated in this exploratory study. A resting-state fNIRS functional connectivity method was conducted to assess the cognitive ability before and after the work shift. Results: Results showed significant differences in cognitive ability between before and after the work shifts among the three-shift workers. The brain functional connectivity was reduced ranking as the night, afternoon, and morning shifts. Decreased brain functional connectivity at the end of the working shift was found compared with before in the morning and afternoon shifts. Opposite results were obtained during the night shift. The resting-state functional brain networks in the prefrontal cortex of all groups exhibited small-world properties. Significant differences in betweenness centrality and nodal local efficiency were found in the prefrontal cortex in the morning and night shifts. Conclusions: The current findings provide new insights regarding the effect of shift work on the cognitive ability of Chinese coal mine workers from the view of brain science.

Suggested Citation

  • Fangyuan Tian & Hongxia Li & Shuicheng Tian & Jiang Shao & Chenning Tian, 2022. "Effect of Shift Work on Cognitive Function in Chinese Coal Mine Workers: A Resting-State fNIRS Study," IJERPH, MDPI, vol. 19(7), pages 1-21, April.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:7:p:4217-:d:785363
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    References listed on IDEAS

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    1. Henrique Pereira & Gergely Fehér & Antal Tibold & Samuel Monteiro & Vítor Costa & Graça Esgalhado, 2021. "The Impact of Shift Work on Occupational Health Indicators among Professionally Active Adults: A Comparative Study," IJERPH, MDPI, vol. 18(21), pages 1-10, October.
    2. Yu, Haimiao & Chen, Hong & Long, Ruyin, 2017. "Mental fatigue, cognitive bias and safety paradox in chinese coal mines," Resources Policy, Elsevier, vol. 52(C), pages 165-172.
    3. Fangyuan Tian & Hongxia Li & Shuicheng Tian & Chenning Tian & Jiang Shao, 2022. "Is There a Difference in Brain Functional Connectivity between Chinese Coal Mine Workers Who Have Engaged in Unsafe Behavior and Those Who Have Not?," IJERPH, MDPI, vol. 19(1), pages 1-21, January.
    4. Jean-Claude Dreher & Etienne Koechlin & Michael Tierney & Jordan Grafman, 2008. "Damage to the Fronto-Polar Cortex Is Associated with Impaired Multitasking," PLOS ONE, Public Library of Science, vol. 3(9), pages 1-9, September.
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    Cited by:

    1. Ho-Ming Chen & Po-Yao Huang & Hung-Yi Chuang & Chao-Ling Wang & Chen-Cheng Yang & Peng-Ju Huang & Chi-Kung Ho, 2023. "Association of Low Back Pain with Shift Work: A Meta-Analysis," IJERPH, MDPI, vol. 20(2), pages 1-20, January.

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