How consciousness arises in the brain is no clearer after two big theories go head-to-head, but the competition's design could push the field forward. “Theories are like toothbrushes,” it’s sometimes ...

Add Yahoo as a preferred source to see more of our stories on Google. Antonio Damasio has been working to solve the conundrum of consciousness almost since modern neuroscience first began to tackle ...

"Fast asleep? It is no matter; Enjoy the honey-heavy dew of slumber: Thou hast no figures nor no fantasies, Which busy care draws in the brains of men; Therefore thou sleep'st so sound." —William ...

"Theories are like toothbrushes," it's sometimes said. "Everybody has their own and nobody wants to use anybody else's." It's a joke, but when it comes to the study of consciousness—the question of ...