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Chronic sleep deprivation also raises the brain's amyloid-beta aggregation, which is linked to neurodegenerative diseases like Alzheimer's. Impaired clearance mechanisms during reduced sleep worsen this neurotoxic environment.Neuroimaging studies also show a shift of cognitive resources, which decreases activation in the prefrontal cortex and ...
To date, most sleep deprivation studies have focused on acute sleep deprivation, suggesting that acute sleep deprivation can cause significant damage to cognitive, emotional, and physical functions and brain mechanisms. [11] Few studies have compared the effects of acute total sleep deprivation and chronic partial sleep restriction. [8]
Two new studies indicate the importance of getting a good night's sleep — with one study saying a lack of sleep may be sabotaging the brain’s ability to keep intrusive thoughts at bay.
For the first time a new study describes the synchronized oscillations during sleep that power the brain’s glymphatic system to help remove ‘waste’ associated with neurodegenerative diseases ...
1. Fatigue. Research indicates that daytime sleepiness is the most obvious and common sign of sleep debt.If you feel groggy even after you’ve been awake for a while or if you find yourself ...
Five days of sleep restriction (four hour sleep opportunity per night) caused a decrease in connectivity with cortical brain regions involved in the regulation of the amygdala. [7] Pupil diameter was shown to increase significantly in response to negative photographs following sleep deprivation. [ 8 ]
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