True Vision: How We See

Seeing is a joint enterprise: The eye records, but the brain must interpret.

Our perception of the world ordinarily seems so effortless that we tend to take it for granted. We look, we see, we understand—it seems as natural and inevitable as water flowing downhill. In order to understand perception, we need to first get rid of the notion that the image at the back of the eye simply gets “relayed” back to the brain to be displayed on a screen. Instead, we must understand that as soon as rays of light are converted into neural impulses at the back of t...

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