“The life we lead, in other words, leaves its mark in the form of enduring changes in the complex circuitry of the brain-footprints of the experiences we have had, the actions we have taken. This is neuroplasticity. As Mike Merzenich asserted, the mechanisms of neuroplasticity “account for cortical contributions to our idiosyncratic behavioral abilities and, in extension, for the geniuses, the fools, and the idiot savants among us.”