Global neuro lab

Giant brain-training dataset attracts scientists

BRAIN DUMP  Lumos Labs is amassing an enormous amount of cognitive performance data by tracking its customers’ performance on the company’s brain-training games. Mining the data may produce new ways of spotting early stages of diseases such as Alzheimer’s or even more fundamental insights into how the brain works.

a-r-t-i-s-t/Getty Images, adapted by M. Atarod

If you own a television, a computer or a smartphone, you may have seen ads for Lumosity, the brain-training regimen that promises to sharpen your wits and improve your life.