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首页> 美国政府科技报告 >Effects of Progressive Sleep Loss on a Lexical Decision Task. Response Lapses and Response Accuracy
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Effects of Progressive Sleep Loss on a Lexical Decision Task. Response Lapses and Response Accuracy

机译：渐进式睡眠损失对词汇决策任务的影响。响应失误和响应准确性

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This reprint used a lexical decision task in a paradigm testing the effects of sleep loss and fatigue on performance during a 72-hour period of sleep deprivation. The data were partitioned into categories of response lapses, respones accuracy, and the signal detection measures of discriminability and bias. Response lapses increased as a function of sleep loss and were fitted best by a composition equation with a major linear component and a minor rhythmic component. Response accuracy decreased as a function of sleep loss, with the rate of decrease being greater for nonwords than for words. Although discriminability was higher for right visual field (RVF), it decreased for both fields almost linearly as a function of sleep deprivation. The rate of decrease for RVF stimulation was greater than for left visual field (LVF) stimulation. Bias dod not change monotonically as a function of sleep loss, but showed strong circadian rhythmicity, indicating that it was not differentially affected by sleep loss per se. Keywords: Circadian periodicity; Cognitive tasks; Fatigue; Lexical decision; Monotonic component; Performance decrements; Response accuracy; Right/left visual field; Signal detection; Sleep deprivation; Sustained operations; Sustained performance.

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