> I always assumed that one could construct a spatial model of something by touching it, without that directly being related to vision. You can do that if you

> I always assumed that one could construct a spatial model of something by touching it, without that directly being related to vision. You can do that if you are able to see, close your eyes and touch it. What you'll be doing is seeing "in the mind's eye". Someone might have researched that, but you'll probably be exercising some cortex area related to vision. Apparently, for people born blind, they can't make that connection since they don't have the experience to draw from. I would think it's like singing two songs one octave apart and asking someone who was deaf which had a higher pitch. Even though he can hear, he wouldn't have this intuition developed yet.