If your mind doesn't seem as nimble as was at one time, it could be that you are just taking longer to process the information because you have more experiences to cross-reference it with. It’s not that your brain is sluggish, you’re probably just a bit wiser. That’s the conclusion of a set of aging studies. They are analyzed in the latest edition of the journal Progress in Brain Research. The New York Times explains more of what’s in the neurology book in this article.
Stephen Goforth