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Previous episode The fovea: why your eyes see sharp only where you look

How perception works: why what you see is your brain's best guess

Top-down and bottom-up perception: where the picture you see comes from

You read two short handwritten words at once, though one letter shape in them could be two letters. How much of what you see comes from your eyes, and how much from what your brain expects?

  1. 1 Miva holds up a card with two short words in hand-drawn letters. Rono reads them out before she can ask: "The cat." So do you.TECTThe cat!MivayouRono

    Miva holds up a card with two short words in hand-drawn letters. Rono reads them out before she can ask: "The cat." So do you.

  2. 2 Now look at the middle letter of each word. It is one and the same shape, drawn the same way. In one word you read it as an H, and in the other as an A.from THEfrom CAT

    Now look at the middle letter of each word. It is one and the same shape, drawn the same way. In one word you read it as an H, and in the other as an A.

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