Word: dream
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...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...
...There are tensions in the field, but "it's starting to break out of its malaise," says Robert Stickgold, associate professor of psychiatry at Harvard Medical School's Center for Sleep and Cognition. Recently, scientists have abandoned stagnant theories of dreaming and postulated new and intriguing ones, with experiments underway in various parts of the world aimed at establishing the function of our nightly hallucinations. If recent work suggests anything, it's that there is such a function, or more than one, and that dreams aren't just neural waste. They may improve the quality of our sleep. They...
...recent advances in brain science, it shouldn't surprise that the riddle of dreaming hasn't been cracked. "We still don't know why we sleep, let alone why we dream," says Dorothy Bruck, professor of psychology at Melbourne's Victoria University. It seems commonsensical that sleep is a restorative phase for brain and body, and there's some evidence that the effects of sleep deprivation are the result of minor brain damage that would normally be repaired when we're asleep. But despite their best efforts, scientists have been unable to pinpoint what's going on in sleep that...
...national team and secure a spot for the Olympics. He publicly announced that he would cease his commercial activities and curtailed his public appearances. But without admitting that what he did was wrong, this penitence was just not enough. In Athens, Tian had told reporters it was his "dream to win another gold for the motherland on my doorstep." But it wasn't to be. On March 26, the same day that China lost the 10-meter event he had made his own, Tian bowed to the inevitable and announced his retirement from diving. The bureaucrats had evidently decided...
...Getting into Harvard has been his dream since fifth grade, he said...