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Sleep deprivation may affect memory by interfering with neuroplasticity as measured by long-term potentiation in the hippocampus. This reduced plasticity may be the root cause of impairments in both working memory among humans and spatial memory among rats. [ 50 ]
Sleep deprivation, whether it is total sleep deprivation or partial sleep deprivation, can impair working memory in measures of memory, speed of cognitive processing, attention and task switching. Casement et al. found that when subjects were asked to recognize digits displayed on a screen by typing them on a keypad, the working memory speed of ...
The fact that sleep deprivation thus appears to affect the ability to suppress intrusive memories and possibly other intrusive thoughts could have important implications for mood disorders like ...
Sleep deprivation, whether total or not, can induce significant anxiety, and longer sleep deprivations tend to result in an increased level of anxiety. [61] Sleep deprivation has also shown some positive effects on mood and can be used to treat depression. [10] Chronotype can affect how sleep deprivation influences mood.
Common short-term side effects of sleep deprivation may include: Daytime sleepiness ... Fatigue. Impaired memory. Common long-term side effects of sleep deprivation may include: High blood ...
A new analysis helps clarify the complicated relationship between sleep and emotion.
This study gives evidence that REM sleep is a significant factor in consolidating motor skill procedural memories, therefore sleep deprivation can impair performance on a motor learning task. This memory decrement results specifically from the loss of stage 2, REM sleep. [11]
Sleep deprivation has been found to affect mood as well. [47] This effect is most pronounced in those that are consistently partially sleep deprived, which is the case for many college students. A meta-analysis of several studies regarding sleep deprivation suggests that the effects of partial sleep deprivation are underestimated.
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