the drawings were very similar to what a sighted person might produce. but how can that be researchers suspect that the brains of people who are born blind convert tactile sensations into visual representations. that's because in most blind people the visual cortex in their brain is intact it's just not receiving the visual signals. so blind people can see images in their mind's eye but it's not what's usually called vision. got a science question of your own then send it in if we answer it on the show you'll receive a copy of our animated einstein chain d.v.d. with clips that explain many of the great scientists most important theorise the most important thing is to never stop asking questions.