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Rob Ashton on the Science of Writing

The Informed Life

CHAPTER

What Is Predictive Coding?

In 1975, George McConkey and Keith Rayner performed a seminal experiment where they used software to create kind of a moving window. They made sure that wherever the eye was looking, the few letters were there but everywhere else was just gibberish. The people in the experiment did not notice this - they thought it was normal. And that's because we make it all up. There's 10 times as much information coming from the brain as is coming from the eyes when we look at things. We often don't spot our own mistakes or miss our biggest typos.

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