October 2009

Separating the Stress from the Trauma

After exposure to extreme life stresses, what distinguishes the individuals who do and do not develop posttraumatic stress disorder (PTSD)? A new study, published in the October 1st issue of Biological Psychiatry, suggests that it has something to do with the way that we control the activity of the prefrontal cortex, a brain region thought to orchestrate our thoughts and actions. [continue reading…]

Seniors and the technology gap

While more older adults than ever are using cell phones and computers, a technology gap still exists that threatens to turn senior citizens into second-class citizens, according to Florida State University researchers.

“The technology gap is a problem because technology, particularly computer and Internet technology, is becoming ubiquitous, and full participation in society becomes more difficult for those without such access,” said Charness, who along with Boot received a $1.5 million, five-year subcontract from a National Institute of Aging grant to support the Center for Research and Education on Aging and Technology Enhancement (CREATE). Established a decade ago, the center is comprised of researchers at FSU, the University of Miami and the Georgia Institute of Technology, who study ways to increase technology use in order to promote cognition and health in older Americans. [continue reading…]

Googling fights dementia, study suggests

National Geographic reports that using search engines may help stave off dementia and memory loss, a new brain-scan study suggests.

Scientists found that middle-aged and older adults with little Internet experience showed increased activity in key brain regions after surfing the Web for an hour a day for just two weeks (brain facts).
“It’s not so much the Internet itself as it is the seeking of new information and keeping your brain stimulated with new things,” said study team member Susan Bookheimer, a neuroscientist at the University of California, Los Angeles.

Playing Sudoku puzzles or immersing yourself in a new hobby, for example, has similar benefits, the team says. But Bookheimer says the Web is less likely to bore users after prolonged use. …continue reading
Source: National Geographic