Brain

Severe Sleep Apnea Linked to Increased Beta-Amyloid in Brain

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

Brain

Brain Damage Signs Identical in Sleep Apnea & Alzheimer’s Disease

New research shows brain plaques start in the same place and spread in the same way in people with OSA, as in those with Alzheimer’s.

Brain

How Does Narcolepsy Change The Brain Over Time?

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

How Sleep Could Ward Off Alzheimer’s Disease

Aug 11, 2020 | Brain, Curated

Thanks to newer technologies for measuring and tracking brain activity, scientists have defined the biological processes that occur during good-quality sleep and they seem to be essential for lowering the risk of brain disorders, reports TIME.

EEG Spectral Slope Can Distinguish Wakefulness from REM Sleep, Deep Non-REM Sleep, & Anesthesia

Aug 10, 2020 | Brain, Future of Sleep, Polysomnography

These new findings show that, buried in the electrical static of the human brain, there is something utterly unique—a simple signature.

Sleep Disorders & Neurodegeneration in Traumatic Brain Injury Patients: Could Sleep Care Mitigate Risks?

Aug 5, 2020 | Brain, Career

New research shows a correlation between poor sleep in TBI patients and elevated markers of neuronal injury.

Computational Models Examine How Sleep Encodes New Memories While Preventing Damage to Old Ones

Aug 5, 2020 | Brain

In a new study, researchers at UC San Diego School of Medicine report that sleep may help people to learn continuously through their lifetime.

Changes in Brain Cartilage May Explain Why Sleep Helps You Learn

Aug 2, 2020 | Brain

The morphing structure of the brain’s “cartilage cells” may regulate how memories change while you snooze, according to new research in eNeuro.

Sleep Apnea in Middle Age Doubles Risk For Alzheimer’s

Jul 31, 2020 | Brain, Curated

Middle-aged people who have sleep apnea or who get 9 or more hours of sleep at night have more than double the risk of developing Alzheimer’s Disease (AD) within about 6 years, new research suggests.

Scientists Uncover Potential Mechanism Behind Sleep-Induced Memory Changes

Jul 28, 2020 | Brain

Researchers investigated how perineuronal nets varied during sleep in mice. Tagging increased during wakefulness and decreased during sleep.

Which Sleep Stage Is Most Important for Learning?

Jul 21, 2020 | Brain

In a study, young adults were trained to identify a letter and the orientation of a set of lines on a textured background in two different tasks: one before sleep and one after sleep.

Study Helps to Settle Debate on Roles of REM and Non-REM Sleep in Visual Learning

Jul 21, 2020 | Brain, Curated

A study by a team of Brown University researchers sheds new light on the complementary roles of REM and non-REM sleep in visual perceptual learning.

Effects of Sleep Deprivation on Cortical Spreading Depolarization

Jul 21, 2020 | Brain, Curated

Acute sleep deprivation may increase cortical spreading depolarization (CSD) frequency and reduce its electrical threshold, according to study results published in The Journal of Headache and Pain.

Home Sleep Tests May Fill a Gap in Care for Stroke Patients, Study Finds

Jul 17, 2020 | Brain, Home Apnea Testing, Obstructive Sleep Apnea

The parts of the brain that modulate breathing during sleep can become damaged by a stroke. New research sheds light on how sleep testing can better reach stroke patients.

Losing Sleep: How Researchers Miss Key Contributor to Autism

Jul 17, 2020 | Brain, Curated

Spectrum News reports on how most people with autism have trouble falling and staying asleep.

How Do Slow Waves Propagate Through the Brain? “Split Brain” Study Sheds Light on Importance of Cortical Anatomical Connections

Jun 29, 2020 | Brain

While coordination of slow waves across distant areas of the brain is essential for sleep functions, how this process takes place remains partially unknown.

Memory Consolidation During Sleep Can Be Strengthened by External Cues

Jun 29, 2020 | Brain

A joint study has yielded an innovative method for bolstering memory processes in the brain during sleep.

Researchers ID Role of Brainstem Neurotensinergic Neurons in Non-REM Sleep Regulation

Jun 29, 2020 | Brain

New work in mice has found that a widely distributed network of neurotensinergic neurons regulates NREM sleep, which also implicates a critical role of the neuropeptide neurotensin.

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