This app is not meant for self-diagnosis.

This app involves three sections for the purpose of this test.

1) The arithmetic ability test.
2) The digit span test.
3) Washington click reaction time test.

This was specifically made for research aid for the paper,

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Gandhi PP, Siddiqui RA. Effects
of peppermint, chewing gum on memory, cognition,
alertness, reaction time, arithmetic skills and athletic
performance during laboratory induced stress in
undergraduate medical students. Int J Basic Clin
Pharmacol 2019;8:1254-61.

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The readings/scores from the three tests in the app were taken and used in the paper given above.

The app might include other tests in the future.