Are there any accurate tools that can tell the changes in mental acuity/sharpness?

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    $\begingroup$ I edited the question to remove reference to self-help. CogSci discourages self-help and we advice you to seek professional help. This is a scientific questions-and-answers forum, nothing more (and nothing less :-) $\endgroup$
    – AliceD
    May 20 '15 at 13:24

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