Hacking the Senses: The brain is far more plastic than we commonly realize. Presenting new 'senses' via the old inputs works extremely well, to the point that long-term volunteers are a little lost without their new abilities to feel magnetic north or absolute orientation. Tasting direction; feeling pictures. Fascinating stuff. In a loosely related article, genetically modified mice are able to see the full color range visible to humans, even though the last natural mouse able to see this way died out a hundred million years ago. Add the new sensors, and the brain reconfigures. [via]
posted by Malor on Apr 5, 2007 - 68 comments

Vischeck's colour vision model allows you to simulate how the world looks to people with various sorts of colour deficiency. You can check a single image, or webpage, or just download it. Here's a temporary snapshot of MeFi after being vischecked.
posted by riffola on Apr 16, 2002 - 15 comments