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The study found that poor sleep quality affect the old memory

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Updated: Monday, Feb 24,2014, 7:16:35 PM
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Researchers recently found that due to the brain caused by the recession grow older , making the elderly decreased sleep quality , resulting in their memory weakened. The researchers believe that by stimulating the appropriate regions of thetcmwell.com

Researchers recently found that due to the brain caused by the recession grow older , making the elderly decreased sleep quality , resulting in their memory weakened. The researchers believe that by stimulating the appropriate regions of the...



Researchers recently found that due to the brain caused by the recession grow older , making the elderly decreased sleep quality , resulting in their memory weakened. The researchers believe that by stimulating the appropriate regions of the brain may enhance the quality of sleep, it is possible to slow down memory loss elderly .

It is understood that normal people can be divided into REM sleep and slow wave sleep , slow-wave sleep that is among the most well-rested body of deep sleep , its duration is considered to be determinants of the level of quality of sleep .

Researchers 18 average age of 21 -year-olds and 15 -year-old average age of 75 older people sleep and memory tests . In the evening before going to sleep , the researchers tested subjects paired words . The results showed that test scores worse than the young elderly about 25 %. And the next day after 8 hours of sleep , slow-wave sleep time to 75% less on average older than the young , word matching test scores worse than 55 percent of young people .

Brain scans showed that for young people , slow-wave sleep can help them save the newly acquired information from short-term memory in the hippocampus , the memory is transferred to long-term storage of the prefrontal cortex , thereby enhancing memory. For older people , the brain degeneration makes the slow-wave sleep time is shorter , thus affecting their memory .

The researchers believe that by stimulating the appropriate regions of the brain may enhance sleep quality, and are likely to slow down memory loss elderly .

Tags: Memory

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