Guardian writes: "Ah, science. No real answers, only questions. Take this superb juxtaposition:
The Telegraph report on 17 February that computer games reduce the risk of dementia (along with quilting and pottery) based on a 1300-person sample of 70-89 year olds (N=197 with cognitive impairment). This comes from a study that will be presented at the American Academy of Neurology in April. The findings suggest that being "mentally active" reduced participants' potential memory loss by between 30-50 percent. The findings were based on surveys, asking participants to, ahem, recollect how active they had been between the ages of 50-65. +1 for computer games (and -1 for television)."