Study suggests that blind and sighted experience visual phenomena differently, but share a common understanding of them.
What do you think of when you think of a rainbow? If you’re sighted, you’re probably imagining colors arcing through the sky just after the rain, but what about someone who can’t see a rainbow?
How does a congenitally blind person’s knowledge of a rainbow — or even something as simple as the color red — differ from that of the sighted?
The answer, Alfonso Caramazza said, is complicated: There are similarities but also important differences.