Tuesday, April 02, 2013

Psychomotor vigilance task - Wikipedia, the free encyclopedia

Psychomotor vigilance task - Wikipedia, the free encyclopedia: "The psychomotor vigilance task (PVT) is a sustained-attention, reaction-timed task that measures the speed with which subjects respond to a visual stimulus. Research indicates increased sleep debt or sleep deficit correlates with deteriorated alertness, slower problem-solving, declined psycho-motor skills, and increased rate of false responding. The PVT was championed by David F. Dinges and popularized by its ease of scoring, simple metrics, and convergent validity.[1] However, it was shown that motivation can counteract the detrimental effects of sleep loss for up to 36 hours.[2]"

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