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Changes in intrinsic functional brain connectivity related to occupational stress of firefighters

 Deokjong Lee  ;  Woojin Kim  ;  Jung Eun Lee  ;  Junghan Lee  ;  Yun Tae Kim  ;  Seung Koo Lee  ;  Sung Soo Oh  ;  Ki Soo Park  ;  Sang Baek Koh  ;  Changsoo Kim  ;  Young-Chul Jung 
 PSYCHIATRY RESEARCH, Vol.314 : 114688, 2022-08 
Journal Title
Issue Date
Brain ; Brain Mapping / methods ; Firefighters* ; Humans ; Magnetic Resonance Imaging / methods ; Male ; Nerve Net / diagnostic imaging ; Neural Pathways / diagnostic imaging ; Occupational Stress*
Brain functional network, firefighter ; Functional connectivity ; Occupational stress ; Resting state functional magnetic resonance imaging
Firefighters are exposed to physical and mental threats in the working environment that put them at risk for occupational stress and burnout. Stress responses can impact the functional interactions between brain regions involved in emotional and cognitive regulation. The objective of this study was to investigate brain functional connectivity (FC) related to occupational stress in firefighters. Male firefighters (n = 77) completed the Korean Occupational Stress Scale questionnaire on occupational stress and underwent brain magnetic resonance imaging. Seed-based FC analyses were conducted by setting core regions of the large-scale functional networks as seeds. Subsequent correlational analyses detected relationships between occupational stress scale scores and brain FC. The results showed that occupational stress was negatively correlated with FC between the central executive network (CEN)-related brain regions and seed regions of other networks. Additionally, occupational stress was negatively correlated with FC within the default mode network (DMN), but positively correlated with FC between the salience network (SN) and the DMN. Changes in FC in large-scale neural networks are likely involved in occupational stress responses. Taken together, these results suggest that proper management of occupational stress may help prevent the occurrence of clinical problems caused by changes in brain functional networks.
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Woojin(김우진) ORCID logo https://orcid.org/0000-0001-5520-4228
Kim, Chang Soo(김창수) ORCID logo https://orcid.org/0000-0002-5940-5649
Lee, Deokjong(이덕종) ORCID logo https://orcid.org/0000-0002-5425-4677
Lee, Seung Koo(이승구) ORCID logo https://orcid.org/0000-0001-5646-4072
Lee, Jung Eun(이정은)
Lee, Junghan(이정한)
Jung, Young Chul(정영철) ORCID logo https://orcid.org/0000-0002-0578-2510
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