When ordinary people are signaled with an electronic pager at random times of the day and asked to rate how creative they feel, they tend to report the highest levels of creativity when walking, driving, or swimming; in other words, when involved in a semiautomatic activity that takes up a certain amount of attention, while leaving some of it free to make connections among ideas below the threshold of conscious intentionality. Devoting full attention to a problem is not the best recipe for having creative thoughts.
