Any introductory text you might want to add. . .
"Your Brain on Computers: Outdoors and Out of Reach, Studying the Brain"
The following is an excerpt from an article by Matt Richtel in the August 15, 2010 New York Times:
[Todd] Braver, a psychology professor at Washington University in St. Louis, was one of five neuroscientists on an unusual journey. They spent a week in late May in this remote area of southern Utah, rafting the San Juan River, camping on the soft banks and hiking the tributary canyons.
It was a primitive trip with a sophisticated goal: to understand how heavy use of digital devices and other technology changes how we think and behave, and how a retreat into nature might reverse those effects.