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Updated: May 16, 2025
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Psychophysiological Assessment of the Effectiveness of Emotion Regulation Strategies in Childhood
Published on: February 11, 2017
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Twenty-Four Hour Rest-Activity Rhythm Disturbances and Neural Alterations Associated With Emotion Regulation in Shift
Kyung Hwa Lee1,2, Ha Young Lee1, Jeong Eun Jeon1
1Department of Psychiatry and Center for Sleep and Chronobiology, Seoul National University, College of Medicine and Hospital, Seoul, Republic of Korea.
Journal of Sleep Research
|April 3, 2025
Summary
Shift work disrupts emotion regulation by altering brain activity in areas like the anterior insula (AI) and dorsomedial prefrontal cortex (dMPFC). Increased physical activity may worsen these neurobiological changes, impacting mood and sleep.
Area of Science:
- Neuroscience
- Sleep Medicine
- Occupational Health
Background:
- Shift work is prevalent and associated with various health issues.
- Emotion regulation is crucial for mental well-being.
- Understanding the neurobiological underpinnings of emotion regulation in shift workers is vital.
Purpose of the Study:
- To investigate the neural basis of emotion regulation in shift workers.
- To explore the relationship between emotion regulation, mood, sleep disturbance, and rest-activity rhythm (RAR) in shift workers.
Main Methods:
- Compared 56 shift workers (SW) with 52 controls (CON) using self-reports, sleep diaries, actigraphy, and polysomnography.
- Assessed neural activity during an emotion regulation task using fMRI.
- Examined correlations between neural, mood, sleep, and 24-h RAR variables.
Main Results:
- Shift workers exhibited poorer sleep efficiency and altered 24-h RAR compared to controls.
- Shift workers showed increased anterior insula (AI) response and reduced dorsomedial prefrontal cortex (dMPFC) activation and AI-dMPFC connectivity during emotion regulation.
- Increased motor activity in shift workers was linked to heightened AI response.
Conclusions:
- Shift work is associated with neurobiological alterations in emotion regulation.
- These alterations may involve changes in the anterior insula and dMPFC.
- Increased physical activity might mediate the negative impact of shift work on emotion regulation and neurobiology.
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