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TagEye and visual cortex transplant

Eye close up

What if only part — not all — of your brain were transplanted?

You might end up seeing double out of an eye a thousand miles away

Recently, we’ve been discussing the concept of total or partial human brain transplants. What about transplanting an eye and the parts of the visual cortex it needs from one person to another? Which of the two people would be seeing out of that eye? The answer is not simple. As noted earlier, researchers may never succeed in transplanting both an eye and the hemisphere brain parts that the eye needs to function from one human being to another. But let’s assume a science fiction scenario — a thought experiment — in which there is an exchange. Jack gets Mary’s right eye/hemisphere and Mary gets Jack’s right eye/hemisphere. Both parties, who live on different parts of the planet, survive. For simplicity,…