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Age-Related #memory Loss

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A new study from UC Berkeley,
. . . has uncovered a mechanism explaining age-related memory loss, and
. . . it all has to do with sleep.

It has long been understood that sleep plays a vital role in the process of,
. . . consolidating memories from short-term storage to long-term,
but, how this plays out biologically has been unclear.

The theory was that memories are saved during sleep, when
. . . 2 types of brain waves fall into sync.
. . . The faster waves known as sleep spindles,
. . . need to perfectly fall into line with deeper slower waves,
. . . for memories to be properly consolidated.

As we age,
. . . our brain increasingly fails to accurately coordinate these
. . . 2 types of deep-sleep brainwaves, and
. . . this results in an inability to accurately retain new memories.
"The mistiming,
. . . prevents older people from being able to effectively
. . . hit the save button on new memories,
. . . leading to overnight forgetting rather than remembering,"

12-20-2017 Source:  Age-related #memory loss

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