Meet the inhabitants of the brain in this reader-friendly introduction to what it is and how it works. Residents include Frederick Foresight (the frontal cortex), Mayor of Cephalton-upon-Ridge, who is the `big picture' person responsible for planning and decision-making; Sage Seahorse (the hippocampus), who has an astonishing memory for times, names and places; Annie Almond (the amygdala), the community's alarm system who is always on the alert; and many other fellow citizens. Each...