Examples of this can be seen with martial artists who learn a technique to perfection and perform it without the need to recall it during self-defense. Or ballet dancers, after rehearsing for many months, experiences the legs moving through a performance even though the mind does not recall what the body is to do. This no-mind state named Mushin by the Japanese is comparable to the state of flow experience that artists acquire while in a creative process. Other ways to refer to this concept include: being in the moment, present, in a zone, on a roll, in the groove, on fire, in tune, switched on and centered.