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...been able to record brain activity in sleep, but the feeling was, why bother? Why waste reams of costly graph paper making electroencephalogram recordings of what was thought to be a neurological desert? With no strong expectation of finding otherwise, University of Chicago researchers Eugene Aserinski and Nathaniel Kleitman decided it was worth doing, monitoring 10 subjects in a laboratory. Their findings turned our understanding of the sleeping brain upside down...

Author: /time Magazine | Title: While You Were Sleeping | 4/5/2007 | See Source »

...sexual organs) rise, while the eyes move rapidly beneath their lids. Brain waves are low-voltage and high-frequency-the opposite to the brain waves of deep sleep, more like what goes on when a person is awake, thinking and talking. Awoken from this paradoxical state that Aserinski and Kleitman called Rapid Eye Movement (REM) sleep, subjects could usually recall vivid dreams. In a single swoop, the pair had not only uncovered what many regard as a third state of consciousness, but raised expectations that the mysteries of how and why we dream might soon be solved...

Author: /time Magazine | Title: While You Were Sleeping | 4/5/2007 | See Source »

DIED. NATHANIEL KLEITMAN, 104, pioneer sleep expert at the University of Chicago and discoverer, with associates, of REM sleep in 1953; in Los Angeles. Kleitman's studies--on dream-sleep deprivation, the effect of sunlight on slumber--established sleep research as a separate, significant medical field...

Author: /time Magazine | Title: Milestones Aug. 30, 1999 | 8/30/1999 | See Source »

Stemmle, who spent two summers as a Kleitman fellow in 1994 and 1995, echoes Green's recommendation. "It was a really good experience for what research is really like, for what your daily life is if you're a researcher," she says. "I decided in the end that primary care is going to be more...

Author: By Mary W. Lu, | Title: Harvard Lab Studies Daily Biorhythms | 11/29/1995 | See Source »

Sheri K. Green '96, who spent the summer of 1994 as a Kleitman fellow, says, "I would advocate the fellowship as a good experience for pre-meds. It's a great way to spend the summer. You get paid, you get clinical experience, and you get to work with Dr. Czeisler." Green received a $1,500 stipend for her work...

Author: By Mary W. Lu, | Title: Harvard Lab Studies Daily Biorhythms | 11/29/1995 | See Source »

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