How meditation can physically alter the brain
More proof that mental training can change not just the function of the brain, but also the structure. Brain scans taken during meditation show that there are different patterns of activity depending on the person’s level of experience and type of practice used. In addition, mindfulness can speed recovery in the amygdala.
http://www.foxnews.com/health/2013/02/11/exercising-your-brain-may-improve-your-life/