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Global neuro lab
Giant brain-training dataset attracts scientists
f 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. Take the bait, and you’ll first create a profile that includes your age, how much sleep you get, the time of day you’re most productive and other minutiae about your life and habits. After this digital debriefing, you can settle in and start playing games designed to train simple cognitive skills like arithmetic, concentration and short-term recall.
The 50 million people signed up for Lumosity presumably have done so because they want to improve their brains, and these games promise an easy, fun way to do that. The program also offers metrics, allowing users to chart their progress over weeks, months and years. Written in these personal digital ledgers are clues that might help people optimize their performance. With careful recordkeeping, for example, you might discover that you hit peak brainpower after precisely one-and-a-half cups of medium roast coffee at 10:34 a.m. on Tuesdays.
These results don’t mean that good sleep and moderate alcohol make you smarter. Lots of other associations — like the fact that casual drinkers might have richer social lives than both teetotalers and heavy drinkers — might be causing the effect. But the scientists hope these findings will inspire others to dive into the data to sort some of those things out.