Being online is good for the old brain

Researchers found that older adults who started browsing the Web experienced improved brain function after only a few days.

"You can teach an old brain new technology tricks," said Dr. Gary Small, a psychiatry professor at the Semel Institute for Neuroscience and Human Behavior at the University of California, Los Angeles, and the author of iBrain. With people who had little Internet experience, "we found that after just a week of practice, there was a much greater extent of activity particularly in the areas of the brain that make decisions, the thinking brain -- which makes sense because, when you're searching online, you're making a lot of decisions," he said. "It's interactive."