- Creative visualisation is almost as effective as actually practising something. Just by visualising an idea or a way you want to do something you can get a lot better at it. - This might also be particularly important for subconscious or reactionary behaviour you want to train yourself in. - Rahul Dravid talks about it in his interviews about batting in England. - I myself have experienced this while playing football or DotA. Should definitely leverage this aspect more in my life.