Working Memory Test
the N-Back task. identify if the current letter matches the one shown 2 steps back.
brain & cognitive tests
select a test to begin. test your mental abilities.
test completed!
your final score is calculated below.
remember the number displayed. type it in when it disappears.
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memorize the highlighted tiles. click them once they hide.
watch the pattern flash and repeat the exact sequence in order.
click 'seen' if the word has been shown in this run, otherwise click 'new'.
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solve as many simple arithmetic operations as possible within 60 seconds.
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solve equations that increase in difficulty. no time limits, 3 lives.
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click the square with the slightly different color shade. 30 seconds timer.
does the font ink color match the color word? 30 seconds.
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identify the numbers hidden in the bubble dots. 5 plates total.
identify if the presented word is a real English dictionary term or fake. 20 words.
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type the flashed words as fast as possible. 30 seconds timer.
select the ink color of the word, NOT the color name itself. 30 seconds.
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press MATCH if the letter matches the one shown 2 letters back. Otherwise click NO MATCH.
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click numbers 1 to 25 in ascending order as fast as possible.
complete a 10-question logical progression evaluation to measure your IQ score.
2-minute rapid version. solve as many logical progression puzzles as possible under pressure.
cognitive age estimator. tests memory retrieval and rapid mathematical calculations.
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test deductive reasoning with word puzzles, order relationships, and syllogisms. 5 questions.
combined recall capacity test. evaluates numeric memory, spatial recall, and audio sequence memory.
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Working Memory Test — Online N-Back Cognitive Trainer
Check performance hardware specs, optimize key inputs, and verify your configurations in real-time with our free tools.
What Is the N-Back Working Memory Test?
The N-Back test is the gold standard cognitive task used by neuroscientists to measure and train working memory capacity. In a 2-Back test, you are shown a stream of letters one by one. You must click when the current letter matches the one shown exactly 2 steps back. It requires you to constantly update, store, and discard information in your mind.
N-Back Working Memory Benchmarks
| N-Level | Target Accuracy | Cognitive Rank |
|---|---|---|
| 1-Back | 95%+ | Baseline Retention |
| 2-Back | 80% - 95% | Average Working Memory Capacity |
| 3-Back | 75%+ | High Working Memory / Focus |
| 4-Back+ | 70%+ | Elite Cognitive / Logical Recall |
Can You Train Your Working Memory?
Yes. Clinical studies suggest that consistent training with the dual N-Back task can expand working memory capacity, improve focus, and even increase fluid intelligence (the ability to solve novel problems).
Frequently Asked Questions
What is working memory?
Working memory is the cognitive system responsible for temporarily holding and manipulating information in our minds, serving as the brain's workspace.
How often should I practice the N-Back test?
Practicing for 15–20 minutes, 4–5 times a week, is recommended to see noticeable improvements in focus and memory recall.