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A sleep study by Van Dongen et al (2003) uses three metrics to measure the effects of fatigue due to sleep loss. The first is cognitive throughput: A serial addition/subtraction task was included in the assessment battery to measure cognitive throughput. The serial addition/subtraction task is a subject-paced task requiring the completion of 50 ...


There are a several perspectives of mental fatigue. Here are a few starting points: There is a huge literature on burnout (see wikipedia article for a review, and Maslach et al, 2001, PDF) for their annual review of psychology article. Burnout refers to a rather chronic form of emotional and mental exhaustion. Burnout is often assessed in research using ...

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