The link below is to an article that takes a look at the link between ebook reading and ‘Digital Brain’ syndrome.

For more visit:
http://www.washingtonpost.com/local/serious-reading-takes-a-hit-from-online-scanning-and-skimming-researchers-say/2014/04/06/088028d2-b5d2-11e3-b899-20667de76985_story.html