BALLIf it’s been a while, this would be a good time to reaquaint yourself with a ball. Practice throwing it in the air and catching it. You might even want to take up juggling. Doing so can hone your brain’s visual, tacticle and hand-eye coordination responses. Scientists have recorded improvements in the brains of people who master these kinds of sensory-guided movement skills. Practicing skill that make good, fast use of sensations from listening, vision and touch have widespread positive impact across the brain.