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Instructions
The 'Dual' in Dual n-Back stands for two stimuli.
Each turn, you will hear a sound and see a position on the grid light up.
The test begins at "1-back", i.e. "one turn ago".
When either stimulus is the same as "1-back" (one turn ago), press the corresponding key:
- A for audio match
- L for position match
n will increase as you get better. Good luck!
More info on Wikipedia