"One of us (Elizabeth) had the opportunity to conduct research with a gentleman named Henry Molaison (better known by his initials, H.M.1), who had the interior portion of his left and right temporal lobes (the part of your brain next to your temples) removed in 1953 because of epileptic seizures that were difficult to control. From a technical standpoint, the surgical procedures went fine. But, as he recovered, the doctors and researchers soon noticed...