A team of researchers has shed new light on sleep’s vital role in boosting our memory.<\/p>\n
Sleep, they show, helps us to use our memory in the most flexible and adaptable manner possible by strengthening new and old versions of the same memory to similar extents.<\/p>\n
The University of York researchers also demonstrated that when a memory is retrieved – when we remember something – it is updated with new information present at the time of remembering. The brain appears not to ‘overwrite’ the old version of the memory, but instead generates and stores multiple (new and old) versions of the same experience.<\/p>\n
Lead researcher Scott Cairney said the study demonstrated that sleep strengthens both old and new versions of an experience, helping us to use our memories adaptively.<\/p>\n
“In this way, sleep is allowing us to use our memory in the most efficient way possible, enabling us to update our knowledge of the world and to adapt our memories for future experiences,\u201d he added.<\/p>\n
Corresponding author Gareth Gaskell noted that the study reveals that sleep has a protective effect on memory and facilitates the adaptive updating of memories.<\/p>\n
Gaskell added, “For the sleep group, we found that sleep strengthened both their memory of the original location as well as the new location. In this way, we were able to demonstrate that sleep benefits all the multiple representations of the same experience in our brain.”<\/p>\n","protected":false},"excerpt":{"rendered":"
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