That's a fallacious comparison. Blind people still have all the "hardware" for visual processing. It does add to their brainpower. They just use the same "circu

That's a fallacious comparison. Blind people still have all the "hardware" for visual processing. It does add to their brainpower. They just use the same "circuits" for different purposes - case in point, only recently I think I saw this article on HN, http://www.npr.org/sections/health-shots/2016/09/19/494593600/when-blind-people-do-algebra-the-brain-s-visual-areas-light-up http://www.npr.org/sections/health-shots/2016/09/19/49459360...