For more than twenty years, National Institute of Mental Health neuroscientist Dr. Jay Giedd has studied the development of the adolescent brain. Decades of imaging work have led to remarkable insight and more than a few surprises.
Jay N. Giedd, M.D., “Development of the Young Brain” (video), National Institute of Mental Health, May 2, 2011, as found at
http://www.nimh.nih.gov/news/media/video/giedd.shtml.
Video is now found on YouTube.