Anyone who has observed someone deeply absorbed in a video game can appreciate that use of these games is a uniquely powerful interaction. For the player, time stands still and self-consciousness disappears. Csikszentmihalyi described this state as “flow.”1 His concept was exemplified by mountain climbers living in the moment of ascent or surgeons lost in a delicate and demanding task. He could just as well have been describing what happens when individuals engage with some of today’s interactive games.

Source: jama.jamanetwork.com