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N-Back Test

Squares light up one at a time. Press when the current one matches the square n steps back. You have to hold the last few in mind while constantly updating them, which is why this task is widely used to measure working memory. False presses are subtracted, so pressing everything gets you nowhere.

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2

N

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Score

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Best

Press when the square matches the one 2 steps back

What this game does

  • 1-back, 2-back and 3-back
  • About 30% of trials are matches by design
  • False presses are subtracted from the score
  • Hits, misses and false presses shown separately

Other games

Sequence Memory GameRepeat the order the colours light up inNumber Memory TestMemorise a number that keeps getting longerPattern Memory GameRemember which squares in the grid lit upReaction Time TestHow fast can you click when it turns green

These are for fun, not diagnostic tests. Scores shift with your screen, mouse and how tired you are.