Aging in Brain Found to Hurt Sleep Needed for Memory

The New York Times:

Scientists have known for decades that the ability to remember newly learned information declines with age, but it was not clear why. A new study may provide part of the answer.

The report, posted online on Sunday by the journal Nature Neuroscience, suggests that structural brain changes occurring naturally over time interfere with sleep quality, which in turn blunts the ability to store memories for the long term.

The result: improved memory, at least in some studies. “There are also a number of other ways you can improve sleep, including exercise,” said Ken Paller, a professor of psychology and the director of the cognitive neuroscience program at Northwestern University, who was not involved in the research.

Read the whole story: The New York Times

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