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🧩 Dual N-Back Lite — Letter + Position

A letter and a grid position update together. N stays small. Claims that dual n-back raises fluid intelligence are mixed; later work often failed to find far transfer. Hits here are not an IQ.

IQ TestBrain Tests & Games › Dual N-Back Lite — Letter + Position
Press Position match if the cell matches N steps back; Letter match if the letter matches. We keep N at 1.
How it works

Press Position match if the cell matches N steps back; Letter match if the letter matches. We keep N at 1. You can improve on this task with practice. Transfer to IQ or school tests is weakly supported overall.

🔁 N-Back Test (Working Memory Updating)🧾 Digit Span Test — Forward & Backward⬛ Corsi Blocks — Forward Tap Span🟦 Sequence Memory Test
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📅 Last updated: 2026-08-26 · ✔ Reviewed by the All-Lifes editorial team · About · Methodology
📚 Sources & references
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