Just 5 weeks of brain training may protect against dementia for 20 years

Older adults who took part in a short program designed to sharpen how quickly they process visual information were less likely to develop dementia years later. The training, known as speed of processing training, teaches people to rapidly spot visual details on a computer screen and manage increasingly complex tasks in less time. Participants who completed five to six weeks of sessions, along with follow up booster sessions one to three years later, showed a reduced risk of dementi...