I think this post from 2009 is where I learned that there's a large variation in people's ability to form mental imagery: http://lesswrong.com/lw/dr/generalizin

I think this post from 2009 is where I learned that there's a large variation in people's ability to form mental imagery: http://lesswrong.com/lw/dr/generalizing_from_one_example/ http://lesswrong.com/lw/dr/generalizing_from_one_example/ Maybe you'd find it interesting, if you haven't read it already.