If you struggle to remember names and numbers or frequently fail to follow the plot of a film, help could be at hand. Scientists say the problem is that you know too much – and you need to declutter, or spring-clean your mind. Experiments show that the memory lapses that come with age are not simply due to brain slowing down.Instead, they can be blamed on the well-used brain finding it more and more difficult to stop irrelevant information interfering with the task in hand. The first step in the study was to compare the working memory of the young and old. Working memory involves holding information in mind while manipulating it mentally...
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