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Re:Ask HN: Working Memory And Understanding by danielharan on Sunday December 18, 2011 @11:13AM (#3366843)
Not sure what the ask is.

Check your diet, sleep, exercise.

There's lots of stuff about n-back in the comments, which is definitely worth investigating.

If your memory has markedly deteriorated, go see a doctor and get a full check-up.

Re:Ask HN: Working Memory And Understanding by SkyMarshal on Sunday December 18, 2011 @12:29PM (#3367001)
>If your memory has markedly deteriorated, go see a doctor and get a full check-up.

And make sure to ask him to check for pernicious anemia, among other things.

http://news.ycombinator.com/item?id=3294598