In 2008 I wrote about neuroplasticity as presented in Norman Doidge’s book The Brain That Changes Itself. I urge you to click on the link and read what I wrote there before you continue. The science is fascinating. The brain is far more malleable than we once thought. Areas of the cortex devoted to a sensory input shrink when that input is lost. Neurons from other parts of the brain can be co-opted to take over lost functions. Learning a new skill actually changes the structure and function of the brain: the areas of the cortex devoted to that skill enlarge as the new skill is practiced and perfected.
This is exciting stuff, with potential therapeutic applications in chronic pain, brain damage, and chronic illness. When I reviewed that book, I said I thought Doidge was a bit overenthusiastic; and now he has written a follow-up book that is even more overenthusiastic. In The Brain’s Way of Healing: Stories of Remarkable Recoveries from the Frontiers of Neuroplasticity, he slips into unscientific speculations and relies on anecdotes about patients who have allegedly benefited from practical applications of brain plasticity science. The title is accurate: these are stories, not scientific studies. I continue to find the subject fascinating and to believe that neuroplasticity offers a lot of potential for human healing, but I don’t believe we have learned much about practical ways to accomplish that. Doidge’s book goes beyond the science. (more…)