Text as a form of visual information
By now it’s probably occurred to you that text is also a form of visualisation, as it’s something you can see. It’s true that text is also processed via the visual system. However, text is less effective than images for recognising, understanding and retaining information. The reason is that our brains see words as myriad tiny images. As far as the human brain is concerned, there are no words but just images that have to be interpreted as words. As each word uses the same brain resources as a picture, an image uses a lot less brain processing time than text containing the same ideas.
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