Creating is core to the human experience throughout time, Limb says. “The brain has been hard wired to seek creative or artistic endeavors forever,” he said. “We don’t need it to survive, you wouldn’t think, and yet the brain wants it and seeks it.”

Interestingly, the creating brain looks a lot like the dreaming brain, one of the most creative states humans can enter, but one associated with unconsciousness. Similar to what Limb observed in jazz musicians, when people dream the self-monitoring part of the brain is suppressed and the default network in the brain takes over. This is the introspective part of the brain, as well as the autobiographical part. That’s why dreams feel so personal, pulling from experiences or recent worries. “The brain is an organ and some of its functions are geared toward generation of unpredictable ideas,” Limb said. That’s just how it’s meant to function.

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Excerpts from an article by Katrina Schwartz at KQEDNews, April 2014.