Schulte Tables
A classic attention test from psychology. You keep your eyes on the centre of a 5 by 5 table and click the numbers in order, and every hit refills the cell with the next number from the pool. Higher levels reshuffle the table, make numbers blink and add misleading colours. Trains visual span and search speed.
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Word Pairs
A grid of tiles with word pairs. In exactly one tile the pair differs by a single letter, an accent or the order of letters. You look for it while keeping your eyes on the centre. Trains peripheral word recognition and resistance to look-alike shapes, the thing that makes you reread a sentence.
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Find the Word
A pattern word sits in the centre of the grid, surrounded by near-twins that differ in a small detail. You click the tile with the identical word. The target is always on the edge, so you practise peripheral vision instead of reading tile by tile.
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Find the Target
A dense grid of letters and digits with a target you must click in every place it appears before time runs out. Distractors are confusable glyphs: 0 and O, 1 and l, 5 and S. Trains fast scanning of a whole page, useful when you look for a fact in a text.
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Running Words
Words appear one after another in different fields, at a rhythm close to fast reading. The sequence stops at a random moment and you pick the last word among look-alikes. Trains vigilance and short-term memory at one to three words per second.
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At a Glance
Glyphs flash on a grid for one to three seconds. Then you state how many times each one appeared. You cannot count them one by one, you have to take in the whole grid at a glance. Trains iconic memory and parallel counting, the skill of grabbing a group of words at once.
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