kcet public television] captioned by the national captioning institute --www.ncicap.org-- tavis: nicolas carr is a best- selling author. his latest vote is called "the shallows -- his latest book is called "the shallows." let me start by asking the obvious. what is the internet doing to our brains? >> i think it is shifting the emphasis of our thoughts away from deep, a tentative thoughts, reflective thoughts, and more toward a scheming type of behavior, -- skimming type of behavior. we are losing the ability to slow down and think deeply about one thing for a long time. >> does that equate to a dumbing down of society, or is that an over read? >> i think of it more as a shift. i think what we do lose is our religious thinking and some of the richest parts of our intellectual lives. on the other hand, we gain access to information. it makes it much easier to communicate and send messages, but i think in that and what we stand to lose maybe greater than what we are gaining. tavis: tell me about the data that allows you to make the point you have just made. >> there have been a lot of studies a