Dual N-Back focus training
An undivided attention
Dual N-Back is the only brain training method with peer-reviewed evidence for improving working memory, fluid intelligence, and sustained attention.
No credit card required.
DUAL N-BACK | AN EVIDENCE-BASED COGNITIVE TRAINING
Not a claim.
A scientific consensus.
Psychonomic Bulletin & Review 2013
Adaptive, but not nonadaptive, training also resulted in improvements on an untrained running span task that measured the capacity of the focus of attention. No other differential improvements were observed, suggesting that increases in the capacity of the focus of attention underlie the benefits of adaptive dual n-back training.
Scientific Reports (Nature) 2021
„Numerous studies have linked n-back training to improvement of WM capacity, near transfer to performance of structurally similar WM tasks, and even far transfer to fluid intelligence. While both techniques can be used as effective training methods to improve WM, the dual n-back task training method, perhaps has a more prominent transfer effect.”
Li, Zhang, Qiao, Jin et al. — University of Electronic Science and Technology of China
Scientific Reports (Nature) 2022
„After 16 training sessions, the dual n-back training group showed improved performance accompanied by increased functional connectivity of the ventral DMN in the right inferior frontal gyrus, which correlated with improvements in working memory.”
PSYCHONOMIC BULLETIN & REVIEW 2015
„Training on working memory produces a small but significant effect on fluid intelligence. Effects are equivalent to approximately 3–4 IQ points.”
how to play dual n-back?
Two streams. One mind. Infinite potential.
You simultaneously track two independent streams of information — visual position and spoken letters — and decide whether each matches what you saw or heard N steps ago.
dual n-back ADAPTIVE MODE
Your mind is capable of more than you think.
The difficulty auto‑adjusts based on your performance. It keeps working memory load at your optimal threshold – never too easy, never too hard. This accelerates fluid intelligence gains and prevents performance plateaus. Your preferences stay in control; adaptivity works inside your framework.
dual n-back challange
One step better, every single day.
See your performance on a daily scale and across your entire training history. Global statistics show how you compare to other users. Track your best N‑back levels, accuracy trends, and consistency over time. This helps you stay motivated and measure real cognitive improvement.
FAQ
Questions about Dual N-Back game
What is Dual N-Back?
Dual N-Back is a scientifically backed cognitive training exercise designed to improve working memory and fluid intelligence. Unlike standard memory games, it requires you to track two independent sequences simultaneously—usually a visual stimulus (a square moving on a grid) and an auditory stimulus (letters or numbers spoken aloud).
How do you play Dual N-Back?
The goal is to identify when the current stimulus matches the one presented steps earlier.
1-Back: You react if the current square/sound is the same as the previous one.
2-Back: You react if the current square/sound matches the one from two steps ago.
Dual Mode: You must press one key for a visual match and a different key for an auditory match.
How often should I train to see results?
Most studies, including the seminal work by Susanne Jaeggi, suggest a „dosage” of approximately 20 minutes a day, five days a week, for at least side-by-side weeks to observe noticeable changes in cognitive performance.
Why is it so hard to move from 2-back to 3-back?
This is often referred to as the „N-Back wall.” While 2-back requires you to keep a small amount of data in your head, 3-back forces your brain to constantly update and „flush” old information while holding onto three distinct sets of coordinates and sounds. It is a significant jump in cognitive load, which is why it is highly effective for training focus.
Can Dual N-Back help with ADHD?
Many users use the game as a non-pharmacological tool to improve attention spans. Research suggests that by strengthening the prefrontal cortex—the area of the brain responsible for „top-down” focus—Dual N-Back can help individuals better ignore distractions
How do I know if I'm improving?
Progress in Dual N-Back isn’t just about reaching a higher . You are improving if:
You find it easier to „reset” after making a mistake.
Your reaction time becomes more consistent.
You feel less mental fatigue after a 20-minute session.
Your average level over a week (rather than a single day) is trending upward.
Dual N-Back FOCUS TRAINING
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