![]() ![]() Small then had his subjects read normal blocks of text projected onto their goggles in this case, scans revealed no significant difference in areas of brain activation between the two groups. Brain activity of the experienced surfers was far more extensive than that of the newbies, particularly in areas of the prefrontal cortex associated with problem-solving and decisionmaking. The two groups showed marked differences. ![]() As they used a handheld keypad to Google various preselected topics-the nutritional benefits of chocolate, vacationing in the Galapagos Islands, buying a new car-the MRI scanned their brains for areas of high activation, indicated by increases in blood flow. ![]() Then he slid his subjects, one by one, into the cylinder of a whole-brain magnetic resonance imager and told them to start searching the Internet. He gave each a pair of goggles onto which Web pages could be projected. During the winter of 2007, a UCLA professor of psychiatry named Gary Small recruited six volunteers-three experienced Web surfers and three novices-for a study on brain activity. ![]()
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