Computer-based cognitive training that mimics quickly completing tasks with divided attention tied to a reduced likelihood of receiving a dementia diagnosis decades later

Adults age 65 and older who completed five to six weeks of cognitive speed training - in this case, speed of processing training, which helps people quickly find visual information on a computer screen and handle increasingly complex tasks in a shorter time period - and who had follow-up

Dementia has long been framed as an inevitable byproduct of aging, something to be managed rather than meaningfully delayed. A sprawling clinical trial of older adults now challenges that assumption,