The loss and return of consciousness is linked to the same network of brain regions for both sleep and anesthesia, according to new research published in JNeurosci. The biological basis of ...

Dec. 29 (UPI) --What happens inside the human brain when consciousness fades away during anesthesia and normal sleep? Scientists have long estimated that the answer to such a question might provide ...

What gives rise to human consciousness? Are some parts of the brain more important than others? Scientists began tackling these questions in more depth about 35 years ago. Researchers have made ...

The origin of consciousness has teased the minds of philosophers and scientists for centuries. In the last decade, neuroscientists have begun to piece together its neural underpinnings—that is, how ...

"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 ...