The $5 Brain Training System: Why Printable Puzzle Packs Beat Expensive Apps
Lumosity charges $12 a month. Elevate charges $15. Peak wants $35 a year. And the research on whether these apps actually improve cognition? Mixed at best. Meanwhile, a $5 printable puzzle pack sitting on your desk delivers the same cognitive benefits — pattern recognition, working memory, sustained attention — without the screen, without the subscription,…