Memory2 min

N-Back Test

Try a short working-memory updating task with a simple one-back sequence.

N-Back Test

Choose whether the current letter matches the previous letter in this one-back practice task.

Score context

Use ranges, not labels.

Match accuracy
RangeReference
Strong session7–8 correct
Typical4–6 correct
Practice range0–3 correct

These are orientation points for this browser task, not population norms or a diagnosis. Hardware and conditions can move the result.

Read the HumanSpec benchmark method

How to get a useful result

Use the same conditions and compare your own range.

What this test measures

Match accuracy is a narrow signal, not a complete picture of ability. This HumanSpec version is designed to be quick, understandable, and repeatable in a normal browser.

How scoring works

The result is calculated from the interaction shown above. A typical reference point for this test is around Practice task, but your device and conditions matter.

Frequently asked questions

Can I improve this score?

Practice can make the task more familiar and may improve consistency.

Is this a diagnosis?

No. This is an educational and entertainment experience, not a medical, psychological, IQ, or employment assessment.

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