For a very long time scientists thought the brain was an organ beyond treatment. If something went wrong or if one was born with a deficit, the conclusion was "tough luck." Not so anymore. There are revolutionary techniques that can alleviate anything from chronic pain to Parkinson's disease or Down syndrome. Dr. Norman Doidge lays it out in his book "The Brain's Way of Healing: Remarkable Discoveries and Recoveries from the Frontiers of Neuroplasticity." He'll discuss this, and more, with Steve Paikin.