Using the n-back Game to Improve Children's IQ

Scientists typically describe intelligence as consisting of two distinct components: fluid intelligence and crystallized intelligence. Fluid intelligence refers to the general ability to solve new problems and recognize unfamiliar patterns. Crystallized intelligence, by contrast, consists of particular kinds of knowledge. When children learn to count, for instance, they show gains on crystallized intelligence, even as their fluid intelligence remains constant. Scientists have typically regar...

 Controlling Pain with Meditation

In the study, a small group of healthy medical students attended four 20-minute training sessions on "mindfulness meditation" — a technique adapted from a Tibetan Buddhist form of meditation called samatha. It's all about acknowledging and letting go of distraction. "You are trying to sustain attention in the present moment — everything is momentary so you don't need to react," Zeidan explains. "What that does healthwise is it reduces the stress response. The feeling of pain is a ver...