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Working memory

N-back

Hold a short sequence in mind. Respond when the current position matches the position from N steps earlier.

Round—

Hits0

Errors0

Watch the positions. Press Match only when the position repeats.

How to play

Compare across time.

Choose 1-back, 2-back, or 3-back.
Watch one highlighted square at a time.
Press Match only when it repeats the position from N steps ago.

Each session ends after 20 rounds. This is a practice task, not a cognitive assessment.

Uunrot

Train the opposite of distraction.

Methodology About Privacy Accessibility

Unrot is a practice tool, not a medical service or diagnostic test.