More on growth and genomic activity of adult neurons:-http://www.the-scientist.com/?articles.view/articleNo/35902/title/Human-Adult-Neurogenesis-Revealed/-http://www.the-scientist.com/?articles.view/articleNo/36350/title/Brain-Methylation-Map-Published/-http://www.the-scientist.com/?articles.view/articleNo/34816/title/Brain-Activity-Breaks-DNA/-Our brains are extremely plastic and active in changes. Helps explain how they are able to do so much in abstractions.