Why would anyone say "Let's stick wires into someone's brain, run voltage through it, and see what happens!"? So asks Jackie Hunt Christensen in Life with a Battery-Operated Brain: A Patient's Guide to Deep Brain Stimulation Surgery for Parkinson's Disease. Author Christensen answers this question-and more-in her unique and comprehensive book, as she has firsthand knowledge of the procedure commonly referred to as DBS. She herself lived with Parkinson's...