there is one neuroanatomical anomaly that turns up again and again in savants, including Kim: damage in the brain’s left hemisphere. Interestingly, the exaggerated abilities of savants are almost always in right-brain sorts of activities, like visual and spatial skills, and savants almost always have trouble with tasks that are supposed to be primarily the left-brain’s domain, such as language. Speech defects are extremely common among savants, which is part of the reason that loquacious, well-spoken Daniel seems so extraordinary.
