Sequence Memory Test

It measures your spatial span: how long a sequence of places you can remember in order. It is a screen version of the Corsi block-tapping task, a widely used test of visuospatial short-term memory. In the original, an examiner taps blocks fixed on a board one by one and you tap the same blocks in the same order [1].

Remembering a sequence of places draws on somewhat different memory than remembering a pattern seen all at once [2]. The visual memory test covers that second kind.

• Squares in a 3×3 grid flash one after another. When the sequence ends, tap the same squares in the same order.
• The first sequence has 2 squares, and each right answer adds one. A square can come up more than once, but never twice in a row.
• You get 2 tries at each length; missing every try at one length ends the test. A wrong tap ends that try right away.

Your score is the longest sequence you tapped back in the right order. The research version uses nine blocks placed at fixed, uneven spots, and its scoring and norms were standardized on that setup [1]. This grid is a different layout, so your score here is best compared with your own other runs, not with clinical results.

Many people trace the path with their eyes or say the positions to themselves. Both are fine; just keep your approach the same between runs. Tiredness, distraction and simply getting used to the game can all move your score.