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Over the past decade, its Dialogues Between Neuroscience and Society series has featured such luminaries as the Dalai Lama, actress Glenn Close, dancer Mark Morris, and economist Robert Shiller. At the 2006 meeting in Atlanta, Frank Gehry was invited to discuss the relationship between architecture and neuroscience. After the talk, an audience member (actually it was me) asked him, “Mr. Gehry, how do you create?” His answer was both intuitive and funny: “There is a gear [in my brain] that turns and lights a light bulb and turns a something and energizes this hand, and it picks up a pen and intuitively gets a piece of white paper and starts jiggling and wriggling and makes a sketch. And the sketch somehow relates to all the stuff I took in.”4 Gehry’s answer is a perfect metaphoric formulation of the evolving neuronal assembly trajectory concept, the idea that the activity of a group of neurons is somehow ignited in the brain, which passes its content to another ensemble (from “gear to light bulb”), and the second ensemble to a third, and so forth until a muscular action or thought is produced. Creating ideas is that simple. To support cognitive operations effectively, the brain should self-generate large quantities of cell assembly sequences.
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