“By the time I had finished The Brain That Changes Itself, there were significant studies, which no one disputes, which show major changes in the structure of the brain of Tibetan monks, for example, brought about through the practice of meditation. I suppose it is not really a hard sell once you have grasped that the brain is plastic, that someone who has spent 30,000 hours meditating might actually have changed the structure of their brain. I mean, a London taxi driver can change his brain by studying routes through the city for a year or two.”

Norman Doidge: the man teaching us to change our minds
Do you believe you can think yourself well, changing the very structure of your brain over time through rigorous training? Norman Doidge does…
http://www.theguardian.com/science/2015/feb/08/norman-doidge-brain-healing-neuroplasticity-interview?CMP=fb_gu