منابع مشابه
Brain plasticity, sleep and aging.
The link between sleep and aging is a hot topic of research. On the one hand, much attention has been paid to epidemiological studies showing that both short sleep and long sleep in humans are associated with reduced longevity. I will briefly review this literature and discuss recent experiments in the fruit fly Drosophila melanogaster that may contribute to understanding this complicated assoc...
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Tissues and organs change over time, regulated by intrinsic (genetic) determinants and environmental (and microenvironmental) adaptation. Brain changes during lifetime are especially critical, as the brain is the effector of cognition and the vast majority of neurons live throughout the life of the individual. In addition, brain aging mechanisms are especially critical for disease vulnerability...
متن کاملNREM Sleep Oscillations and Brain Plasticity in Aging
The human electroencephalogram (EEG) during non-rapid eye movement sleep (NREM) is characterized mainly by high-amplitude (>75 μV), slow-frequency (<4 Hz) waves (slow waves), and sleep spindles (∼11-15 Hz; >0.25 s). These NREM oscillations play a crucial role in brain plasticity, and importantly, NREM sleep oscillations change considerably with aging. This review discusses the association betwe...
متن کاملSleep in Normal Aging.
Sleep patterns change with aging, independent of other factors, and include advanced sleep timing, shortened nocturnal sleep duration, increased frequency of daytime naps, increased number of nocturnal awakenings and time spent awake during the night, and decreased slow wave sleep. Most of these changes seem to occur between young and middle adulthood; sleep parameters remain largely unchanged ...
متن کاملNeurogenesis in the aging brain
Neurogenesis, or the birth of new neural cells, was thought to occur only in the developing nervous system and a fixed neuronal population in the adult brain was believed to be necessary to maintain the functional stability of adult brain circuitry. However, recent studies have demonstrated that neurogenesis does indeed continue into and throughout adult life in discrete regions of the central ...
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ژورنال
عنوان ژورنال: Brain Sciences
سال: 2021
ISSN: 2076-3425
DOI: 10.3390/brainsci11020229