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Sleep

·October 18, 2024·3 min read

EEG Test Detects Daytime Sleepiness in Just Two Minutes

Researchers have developed a brain-based test that diagnoses excessive daytime sleepiness in just two minutes, potentially replacing the lengthy hospital-based procedure currently used. Using EEG to track neuronal excitability, this test detects how quickly a person is likely to fall asleep, indicating their overall sleepiness level.

This shows a teen awake at night with a bottle of water in their hand.

Featured Neuroscience

·October 4, 2024·7 min read

80-Minute Sleep Loss in Teens Exposed to “Forever Chemicals”

igher blood levels of four specific types of per- and polyfluoroalkyl substances (PFAS), also known as "forever chemicals," are linked to poorer sleep quality in young adults. These chemicals, found in everyday products and the environment, have been shown to disrupt genes responsible for regulating sleep and wake cycles, leading to decreased sleep duration and more sleep disturbances.

This shows a pregnant woman and cannabis plants.

Featured Neuroscience

·October 4, 2024·5 min read

Long-term Impact of Prenatal Cannabis Exposure Explored

A study examining the effects of prenatal exposure to synthetic cannabinoids in rats found that the drug leads to long-term health issues in their offspring. Male rats showed an increased sensitivity to CO2, making them more prone to panic-like behavior, while females exhibited cardiovascular problems like hypertension and tachycardia.

Featured Neuroscience

·September 29, 2024·3 min read

How the Brain Enhances Sleep Through Synaptic Strength

Researchers have discovered that stronger synaptic connections between neurons in the brain trigger deeper sleep. Using a molecular tool called SYNCit-K, scientists enhanced synaptic strength in the prefrontal cortex of mice, inducing sleep and aligning with predictions from a mathematical model of brain activity.

This shows a cartoon of a pregnant woman resting in bed.

Featured Neuroscience

·September 26, 2024·3 min read

Poor Sleep in Pregnancy Linked to Developmental Risks

New research suggests that pregnant women who get less than seven hours of sleep per night may have a higher risk of having children with neurodevelopmental delays. The study, involving over 7,000 mother-child pairs, found that children of mothers with short sleep duration (SSD) were more likely to experience delays in cognitive, behavioral, and motor skills.

Featured Neuroscience

·September 23, 2024·4 min read

Melatonin Receptor is Key to REM Sleep and Memory

Scientists have identified the melatonin MT1 receptor as a key regulator of REM sleep, crucial for memory, dreaming, and emotional regulation. This discovery may pave the way for targeted treatments for sleep disorders and conditions like Parkinson’s and dementia, which are linked to REM disruptions.

Featured Neuroscience Psychology

·September 23, 2024·6 min read

“Sleeping on It” Helps With Rational Decision Making

A new study reveals that while snap judgments heavily influence decisions made immediately, "sleeping on it" helps people make more rational choices. Researchers found that participants who made instant decisions about valuable items overestimated their worth based on first impressions.

Auditory Neuroscience Featured Neuroscience

·September 12, 2024·5 min read

Manipulating Brain Waves During Sleep With Sound

Sound stimulation can manipulate brain waves during REM sleep, a stage crucial for memory and cognition. Using advanced technology, researchers were able to increase the frequency of brain oscillations that slow down in dementia patients, potentially improving memory functions. The non-invasive technique could pave the way for innovative treatments for dementia by targeting brain activity during sleep. This approach offers hope for enhancing memory and cognition with minimal disruption to patients' lives.

Featured Neuroscience

·September 5, 2024·4 min read

Long-Term Cannabis Use Linked to Sleep and Memory Issues

Long-term cannabis users experience more sleep problems, which are associated with poorer visuospatial memory performance. Researchers compared 141 regular cannabis users to 87 non-users and found that chronic cannabis use may worsen both sleep and memory, despite its common use as a sleep aid.

Featured Neuroscience

·September 5, 2024·3 min read

Group Sleeping: How Social Sleep Affects Rest Patterns

A new paper argues that group living significantly affects how animals sleep, with behaviors like synchronized REM sleep in mice and sleep suppression in bumblebees. Most sleep studies focus on individual animals in lab settings, missing the social context of sleep in the wild.

Featured Neuroscience

·August 16, 2024·4 min read

Sleep Resets Neurons to Keep Learning Possible

Summary: During sleep, the brain resets memory by silencing specific neurons in the hippocampus, allowing for continuous learning without overloading....

This shows a woman sitting alone on a step at night.

Featured Neuroscience Psychology

·August 6, 2024·5 min read

Loneliness Linked to Nightmares

Research reveals that loneliness is linked to an increased frequency and intensity of nightmares, highlighting the connection between social isolation and sleep disturbances. The study suggests that stress, rumination, and hyperarousal contribute to these effects, indicating that loneliness affects mental and physical well-being. This research supports the evolutionary theory that a sense of belonging is crucial for human survival. Addressing loneliness may potentially improve sleep quality and overall health.