Sleep may be one of the most potent medicines for the brain, scientists are discovering, as they explore the inner labyrinths of the three-pound organ during deep sleep and dream cycles in both health and disease.
(Medical Xpress) -- The link between dreaming and rapid eye movement (REM) sleep are well understood – but the fact that consciousness is reduced during nonrapid eye movement (NREM) sleep is not. Recently, scientists ...
New research reveals that neurons in the preoptic hypothalamus—the region of the brain that regulates sleep and body temperature—are rhythmically activated during non-rapid eye movement sleep (NREM). Stress activates ...
Dec 13, 2023
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Which sleep stage is most important for learning: REM or non-REM? Does sleep improve learning by enhancing skills while people snooze, or by cementing those skills in the brain so that they're less likely to forget them? ...
Jul 20, 2020
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Research strongly suggests that sleep, which constitutes about a third of our lives, is crucial for learning and forming long-term memories. But exactly how such memory is formed is not well understood and remains, despite ...
Apr 14, 2016
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REM sleep—the phase of night-time mammalian sleep physiology where dreams occur—has long fascinated scientists, clinicians, philosophers, and artists alike, but the identity of the neurons that control REM sleep, and ...
Oct 22, 2015
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Dementia is a progressive loss of cognitive abilities, such as memory, that is significant enough to have an impact on a person's daily activities.
Mar 1, 2024
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In an innovative study, researchers from HSE University, RAN Institute of Linguistics, and the the Pirogov Center measured and analyzed high-frequency oscillations (HFO) in different regions of the brain. An automated detector ...
Nov 16, 2022
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Mammals experience rapid eye movement (REM) and non-REM (NREM) sleep. While the hypothalamus and brainstem are known to be critical regulators of sleep, the precise mechanism is not fully understood. New work in mice has ...
Mar 23, 2020
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You may have experienced sleepless nights when you were anxious, stressed or too excited. Such emotions are well-known to affect wakefulness and can even cause insomnia, though the underlying mechanisms in our brain have ...
Jul 3, 2017
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