I N T R O D U C T I O N
THE IMPACT OF THE BRAIN IN TODAY’S WORLD • Jimmy calls himself the “walking wounded.” He works as a messenger delivering packages and letters to offices and apartments throughout downtown Orlando. He likes to wear a tie, even when the weather is hot and humid. He looks perfectly presentable; people who pass occasionally smile hello. But if, say, a woman stopped and asked him for directions, Jimmy would first look at her blankly, then, he’d start to stammer. He might even get angry and spew out a string of obscenities. What this woman and others didn’t realize, at first, is that he had a severe brain injury years ago. Jimmy’s scars are invisible. • Arlene was riding her brand new bicycle down the hill near her house. She’d walked, run, ridden, and sledded down that hill so many times in her young life that she could close her eyes and instinctively know she had reached the bottom. That’s exactly what she did this spring day. Unfortunately, she couldn’t see the broken tree limb sitting in the middle of the road. She hit it at 1