Brain training –sometimes also referred to as "brainjogging" – is a generic name for mental exercises which are intended to preserve or boost brain function. Regular exercise targets specific areas of the brain and leads to the production of synapses. This means that the brain produces new connections which facilitate thinking and boost the memory.
Many kinds of mental exercise can be done without special materials and in a very short time. Ideally you should try to integrate brain training into your everyday life – to use spare time when you're waiting for a bus or train for example. Here are a few exercises you may like to try: