There's no doubt that truly gifted mathematicians think differently than the rest of us. It's often observable during their everyday social interactions. But is there a neuroanatomical explanation for the difference, or is it merely the result of training? Cutting-edge fMRI studies suggest the former. You'll recall from last week's post a discussion of the revelations gleaned from the dissection of Einstein's brain: it was more connective, and had a smaller than average language center  (a.k.a., Broca's…