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Sleep

·May 31, 2024·7 min read

Dreaming the Future: Neurons Predict Events in Sleep

Researchers discovered that certain neurons not only replay past experiences but also anticipate future events during sleep. By studying rats' hippocampal activity, they found that neurons stabilize spatial representations and prepare for future tasks.

Featured Neuroscience Psychology

·May 30, 2024·3 min read

How Sleep and Social Media Shape Teen Brain Function

A new study links shorter sleep duration in teens to higher social media usage, involving brain regions crucial for executive control and reward processing. The inferior frontal gyrus and middle frontal gyrus are key in how adolescents regulate engagement with social media and manage decisions related to sleep.

Featured Neuroscience Psychology

·May 30, 2024·2 min read

Better Sleep Lowers Loneliness

Better sleep health significantly reduces feelings of loneliness, with the effect being stronger in younger adults. The findings suggest that improving sleep could be a key strategy in addressing loneliness, a pressing public health issue. The study involved 2,297 adults who completed online questionnaires about their sleep and loneliness levels.

Featured Neuroscience

·May 28, 2024·3 min read

Light-Activated Drug Induces Sleep by Targeting Brain Receptors

Researchers developed a light-sensitive drug that enhances adenosine activity in the brain, inducing sleep in mice without genetic modification. This innovation overcomes the limitations of conventional photosensitive drugs, offering precise control over sleep and motivation via A2A receptors.

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Featured Neuroscience Psychology

·May 20, 2024·4 min read

Social Media Nightmares: A New Phenomenon

A new study finds a link between increased social media use and the likelihood of experiencing social media-related nightmares. These nightmares, often involving themes of cyberbullying, online hate, or excessive social media use, are associated with negative mental health outcomes like anxiety and depression. The research introduces the Social Media Nightmare-Related Scale (SMNS) to quantify this phenomenon and calls for further investigation into the impact of social media on dreams.

Featured Neuroscience

·May 14, 2024·5 min read

Sleep Apnea During REM Linked to Memory Decline

Sleep apnea events during REM sleep are linked to verbal memory impairment in older adults at risk for Alzheimer's disease. The research highlights the importance of focusing on sleep-stage-specific apnea severity for accurate diagnosis and treatment.

Featured Neuroscience Psychology

·May 14, 2024·4 min read

Dreams Dull the Distress of Emotional Memories

Dreaming helps prioritize and diminish the severity of emotionally charged memories. Participants who reported dreaming had better recall and were less reactive to negative images.

Featured Neuroscience

·May 13, 2024·6 min read

Parasomnia: What Happens in the Brain During Sleepwalking?

Researchers made significant advances in understanding parasomnias—complex sleep behaviors where individuals are semi-conscious, often interacting with their environment. The team explored brain activity during these episodes, revealing that dreams and unconscious actions can occur during non-REM sleep, challenging previous assumptions about sleep stages and dream occurrence.

Featured Neurology Neuroscience

·May 13, 2024·4 min read

Sleep May Not Aid Brain Detox

A new study challenges the prevailing theory that sleep aids in the detoxification of the brain. Researchers found that the brain's toxin clearance is significantly reduced during sleep and even more so under anesthesia, as shown by the slower movement and clearance of a fluorescent dye in the brains of mice.

Featured Neuroscience Psychology

·May 8, 2024·6 min read

Lack of Sleep in Childhood Linked to Increased Psychosis Risk

Children who consistently experience insufficient sleep from infancy through early childhood are significantly more likely to develop psychosis as young adults. Analyzing data from the Avon Longitudinal Study of Parents and Children, researchers found that chronic sleep deprivation is a strong predictor of both psychotic disorders and psychotic episodes later in life.

Featured Neuroscience

·May 8, 2024·8 min read

Sleep Enhances Memory with Less Energy

Researchers discovered a new mechanism in the brain that enhances memory formation while reducing energy consumption during sleep. The study finds that this process occurs in the entorhinal cortex, a key area for learning and memory and the initial site of Alzheimer’s disease pathology.

Featured Neuroscience Psychology

·May 7, 2024·5 min read

Caffeine’s Double-Edged Sword: Boosting Energy or Risking Health?

The caffeinated beverage industry continues to thrive, with the coffee sector alone generating significant economic activity. Yet, despite its popularity for boosting alertness and physical performance, caffeine, a powerful stimulant, can lead to dependence and exacerbate health issues.