SHIFTWORK . General effects & effects on performance. What will be discussed . Definition Shiftwork effects Case studies/ Articles: - Shiftwork experience, age and cognitive performance - Strategies for coping with shift work Recommendations .
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General effects & effects on performance
- Shiftwork experience, age and cognitive performance
- Strategies for coping with shift work
- Disturbed circadian rhythms and sleep; endogenous body clock (e.g. controlling body temperature) vs. exogenous factors (e.g. controlling sleep/wake cycles)
- Chronic fatigue; fatigue is cumulative
- Suppression of the immune system/health problems
- Individual differences contribute to the severity/type of any physiological responses & problems
- Depression after a long term exposure
- Complexity of the task defines efficiency
- Short term memory is a vital factor of performance
- More complex working memory tasks (e.g. logical reasoning) improve by midday & then decline (Folkard & Monk, 1980)
- Immediate retention on a task is better in the morning, however delayed retention (>7 days) is generally better during the afternoon/evening (Folkard & Monk, 1985a)
- Personality types are relevant to the psychosomatic adjustment in shiftwork thus affecting performance