The discovery that our thoiughts can change the structure and function of our brains - even into old age - is the most important breakthrough in neuroscience in four centuries. In this revolutionary look at the brain, best-selling author, physhiatrist and psychoanalyst Norman Doidge, M.D. introduces both the brilliant scientists championing this new science of neuroplasticity and the astonishing progress of the people whose lives they've transformed.