Does consciousness exist?

‘Outlandish’ competition seeks the brain’s source of consciousness

Brain scientists can watch neurons fire and communicate. They can map how brain regions light up during sensation, decision-making, and speech. What they can’t explain is how all this activity gives rise to consciousness. Theories abound, but their advocates often talk past each other and interpret the same set of data differently. “Theories are very flexible,” says Christof Koch, president of the Allen Institute for Brain Science in Seattle, Washington. “Like vampires, they’re very difficult to slay.” ….[READ]

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