The Effects Of Partial Sleep Deprivation On Cognitive...

The effects of partial sleep deprivation on cognitive performances (such as attention and reaction time) was examined in twelve handball goalkeepers. After becoming familiar with the tests, the subjects participated in three tests in a randomized order over three days with a 72 hour rest period in between each session. These three days were (i) a reference-night which subjects slept nine hours, (ii) a partial sleep deprivation at the beginning of the night (SDB) where subjects slept from 3:00 to 7:00 a.m., and (iii) a partial sleep deprivation at the end of the night (SDE) where subjects slept from 10:00 p.m. until 3:00 a.m. During each session subjects performed a reaction time test, a selective attention task, and a constant attention task. In order to ensure there was no learning effects during the reaction test, barrage test, and Stroop test, the form and color were changed between sessions. Results show that the biggest effect was towards reaction time, which increased significa ntly from the reference night to SDB (p 0.001) and SDE (p 0.001). Also the results showed that reaction time was significantly higher during SDE than during SDB. Selective attention and constant attention decreased significantly from the reference-night to SDB and to SDE. Likewise, selective attention was significantly lower during SDB when compared to SDE. These findings suggest that cognitive performance (reactive time, selective attention, and constant attention) of handball goalkeepersShow MoreRelatedThe Effects Of Sleep Deprivation On Children1427 Words   |  6 Pagesor substances and people suffering from sleep deprivation. Effects of fatigue are thought to play a part in between 16% and 60% of road accidents and in the United states were estimated to cost in vicinity of $50 billion. This essay will argue just how dangerous driving under the influence of sleep deprivation really is. 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