Can adults really 'train their brains'? Brain Fitness capitalizes on neuroplasticity, the ability for a brain to rewire itself when experiencing something novel and non-routine. Programs like Luminosity, PositScience, and HAPPYneutron encapsulate the science behind enhancing memory, attention, reasoning, visual-spatial awareness, and language in fun, engaging games. This powerpoint explores the background of neuroplasticity and brain fitness and gives an overview of most popular brain exercises.