Overuse of Digital Devices May Lead to Brain Fatigue

Your Brain on Computers - NYTimes.com: "Even though people feel entertained, even relaxed, when they multitask while exercising, or pass a moment at the bus stop by catching a quick video clip, they might be taxing their brains, scientists say. 'People think they’re refreshing themselves, but they’re fatiguing themselves,' said Marc Berman, a University of Michigan neuroscientist. Regardless, there is now a whole industry of mobile software developers competing to help people scratch the entertainment itch. ..."