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Dual N-Back — two-channel working memory

💡Benefits

This is the exact task used in the Jaeggi (2008) study. You track two streams at once (position + colour/sound) — one of the most demanding working-memory exercises.

🎮How to play

Two channels run at once. For each channel, press its button when the current item matches the one N steps back.

📚Scientific sources

  1. Jaeggi, Buschkuehl, Jonides & Perrig (2008). Improving fluid intelligence with training on working memory. PNAS, 105(19), 6829–6833. https://scholar.google.com/scholar?q=Improving+fluid+intelligence+with+training+on+working+memory+Jaeggi+2008

Frequently asked questions

Yes, on MentalMath Dual N-Back is free and opens without registration.
The child tracks two channels at once (position plus color or sound) N steps back, which strongly develops working memory and mental flexibility.
It is one of the hardest exercises, so it is recommended from age 10.
Yes, on phones, tablets and computers, though for the sound channel it is best to turn the volume on or use headphones.
About 10 to 15 minutes several times a week gives a meaningful result.
Start playing 🚀

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