How do I know if computer-based brain fitness programs work? Research the product and the names involved with the product to see what has been published.Look for articles in high caliber, peer-reviewed journals.Ask for referrals.Assessments done before you begin and then after your training allow you to track your performance.Observe yourself.... Just as you cross-train in your physical fitness routine (mixing cardio with strength training and flexibility) to get a balanced workout, you need to cross-train your mental fitness to exercise your brain through motor coordination, emotional understanding, memory, focus and attention, sensory processes, communication, language skills, and mental visualization.Furthermore, how can you gauge your improvement if you don’t have a way to measure it?