● Daily

N-Back

◈ E2 · Conditional

Evidence for: n-back and similar WM tasks

How to play

N-Back

A square lights up on a 3×3 grid. Press Match when it is in the same place as N steps back. 3 blocks; N goes up or down with your accuracy.

This is a practice exercise, not a medical test. Response times in a browser are only comparable with yourself on the same device.

What does this train?

Part of the method N-back. On the web you answer for real, so we can measure accuracy and response time. A YouTube video can only ask you to score yourself.

Reading your results

Compared with yourself: personal best and your recent sessions. We never rank you against “the population” or convert scores into IQ.