Brain

Traumatic Brain Injury Increases Likelihood of Sleep Disorders in Veterans

A traumatic brain injury diagnosis increases the risk of sleep disorders over 14 years in veterans, according to the results of a longitudinal cohort study.

Brain

How Smell and Sound Help Your Brain While You Sleep

Elemental: There must be a way of improving sleep and its impact on memory.

Brain

How Does Narcolepsy Change The Brain Over Time?

New longitudinal study sheds light on the neurological consequences of narcolepsy with cataplexy....

Which Came First: Sleep or the Brain?

Jan 10, 2021 | Brain

Hydras not only show signs of a sleep-like state despite lacking central nervous systems but also respond to molecules associated with sleep in more evolved animals.

New Theory on How Dreaming Protects Our Brains

Jan 3, 2021 | Brain, Curated

Time: What does brain flexibility and rapid cortical takeover have to do with dreaming? Perhaps more than previously thought.

AI Tool Measures Real-time Changes in Brain Serotonin During Sleep

Dec 23, 2020 | Brain

Scientists used advanced genetic engineering techniques to transform a bacterial protein into a new research tool that could detect subtle, real-time changes in brain serotonin during sleep.

The Link Between Alzheimer’s and Circadian Rhythms

Dec 17, 2020 | Brain, Curated

Researchers at Washington University School of Medicine in St. Louis have discovered a protein that links the amyloid-removal process to the circadian clock.

Pre- and Post-Epileptic Spasm Brain Resembles the NREM Sleep Brain on EEG

Dec 14, 2020 | Brain

Acivity of neocortex pyramidal cells before and during a spasm closely mirror slow oscillation waves that are common during NREM sleep, with a slight twist.

Scientists Engineer Dreams to Understand the Sleeping Brain

Dec 9, 2020 | Brain, Curated

Technologies such as noninvasive brain stimulation and virtual reality gaming offer insights into how dreams arise and what functions they might serve, reports The Scientist.

Severe Sleep Apnea Linked to Increased Beta-Amyloid in Brain

Nov 25, 2020 | Brain, Obstructive Sleep Apnea

The OSA group recorded a higher amyloid burden, poorer sleep efficiency, and less time spent in stage N3 sleep.

Deep Sleep Protects Against Alzheimer’s, Growing Evidence Shows

Nov 18, 2020 | Brain, Curated

During deep sleep, the brain appears to wash away waste products that increase the risk for Alzheimer’s disease, NPR reports.

Sleep Scientists DIscuss Alzheimer’s Disease Links on NPR

Nov 16, 2020 | Brain, Curated

“We have a specific sleep signature right now that seems to help us better understand where you may sit on the Alzheimer’s disease risk trajectory in the future,” sleep scientist Matthew Walker tells NPR.

Do Astrocytes Change Dynamically Across Sleep & Wake States Like Neurons Do?

Nov 11, 2020 | Brain

And do astrocytes play a role in regulating sleep need, our natural drive to sleep?

One More Step Toward Solving The Sleep & Alzheimer’s Puzzle

Oct 29, 2020 | Brain, Curated

An NPR segment examines the key role deep sleep may play in maintaining brain health and protecting the brain against Alzheimer’s.

Cellular Energy Metabolite Decreases During Non-REM Sleep & Profoundly Decreases During REM, Finds Mouse Study

Oct 11, 2020 | Brain

Researchers show a cortex-wide variation of cytosolic ATP levels in the cortical neurons depending on the sleep-wake states of animals.

Washington University Researcher Awarded $1.8M to Study Sleep’s Contribution to Brain Function

Oct 9, 2020 | Brain

The research will help our understanding of how sleep contributes to healthy cognition and mechanisms by which disrupted sleep worsens neurodegenerative and mental health disorders.