My big question is how you get input to work. Could you just put a patch on some unimportant bit of skin, let's say a 4"x4" area on your back, and use that patc

My big question is how you get input to work. Could you just put a patch on some unimportant bit of skin, let's say a 4"x4" area on your back, and use that patch to deliver tactile information from the thumb in some systematic way? Would it eventually start feeling like it was coming from the thumb?