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neurobiology

·November 12, 2024·6 min read

Daily Exercise Boosts Brain Speed, Helps Keep Minds Youthful

Everyday physical activities, from light chores to intense exercise, provide immediate cognitive benefits for middle-aged adults. Participants showed improved processing speeds—comparable to being four years younger—within hours of being physically active.

Featured Neuroscience

·November 12, 2024·4 min read

Natural Compound BHB-Phe Regulates Appetite

Scientists have identified BHB-Phe, a natural compound produced by the body, that regulates appetite and body weight. By activating specific brain neurons, BHB-Phe suppresses feeding behavior in mice, suggesting potential therapeutic applications for obesity.

Brain Cancer Featured Neurology Neuroscience

·November 12, 2024·5 min read

CAR T-Cell Therapy Recruits Brain’s Defenses Against Glioblastoma

Researchers have developed an innovative CAR T-cell therapy to combat glioblastoma, the most common malignant brain tumor in adults. This approach not only attacks tumor cells directly but also reprograms the tumor's microenvironment, enabling immune cells to fight the cancer rather than protect it.

Featured Neuroscience Psychology

·November 12, 2024·6 min read

Glial Cells May Influence Depression and Schizophrenia

New research highlights neuroglia (or glia cells) as critical players in mental health, potentially influencing conditions like depression and schizophrenia. Glia cells, long considered "support cells" in the brain, have now been shown to communicate through unique calcium signaling, impacting neuronal function and stress responses. Studies suggest that compromised astrocyte function, a glial cell type, may relate to depressive symptoms and schizophrenia.

Featured Neuroscience

·November 12, 2024·8 min read

Exercise Spurs Nerve Growth Through Biochemical and Physical Impact

Researchers found that exercise promotes neuron growth through both biochemical signals (myokines) and physical stretching. Muscle cells, when contracted, release myokines that boost neuron growth and maturity.

Featured Neuroscience Psychology

·November 12, 2024·5 min read

Chronic Inflammation Linked to Depression

Emerging research suggests that chronic inflammation, rather than neurotransmitter deficiencies alone, may be a major factor behind depression, reshaping traditional views of the condition. This insight links inflammation, both in the body and brain, to depressive symptoms, explaining why some patients don't respond to conventional antidepressants. Studies reveal that stress can trigger immune responses that activate and later damage microglial cells in the brain, worsening depressive symptoms over time.

Featured Neurology Neuroscience

·November 12, 2024·5 min read

Frailty Boosts Dementia Risk

Frailty is a strong predictor of dementia risk, with risk increasing by 40% with each 4-5 additional age-related health conditions. This connection between frailty and dementia suggests that frailty may not simply result from undetected dementia but actively contributes to its onset.

Featured Neuroscience Psychology

·November 12, 2024·6 min read

Hyperbaric Oxygen Therapy Shows Promise for Treating PTSD

Hyperbaric oxygen therapy (HBOT) has shown effectiveness in alleviating symptoms for individuals with PTSD unresponsive to traditional treatments. In a study of combat veterans, HBOT led to significant reductions in flashbacks, irritability, and hypervigilance, and was associated with improved brain connectivity on fMRI scans. The specialized protocol, developed over years, involves 60 sessions of breathing pure oxygen under high pressure.

Featured Neuroscience

·November 12, 2024·4 min read

Robots Trained by Video: A Leap Toward Autonomous Surgery

For the first time, a robot has been trained to perform surgical procedures by watching videos of expert surgeons, marking a leap forward in robotic surgery. This breakthrough in "imitation learning" means that robots can learn complex tasks without needing to be programmed for every individual movement. By training on surgical footage, the robot replicated procedures with skill comparable to human surgeons, demonstrating its ability to adapt and even correct its actions autonomously.

Featured Neuroscience Psychology

·November 12, 2024·4 min read

App Shows Promise in Reducing Depression by Curbing Rumination

A new digital health intervention, developed over a decade of research, uses a gamified app to help reduce depressive symptoms by disrupting ruminative thought patterns. The app, which features five mini-games, encourages users to progress through thoughts more flexibly, aiming to break negative cycles. In an 8-week trial, participants who used the app reported faster symptom improvement compared to those who didn’t. These benefits persisted up to four weeks after the study, suggesting long-lasting effects.

Featured Neuroscience Psychology

·November 12, 2024·5 min read

After the Pandemic, Alcohol Use Remains Elevated

U.S. alcohol use increased during the COVID-19 pandemic and has stayed elevated post-pandemic, posing serious health risks. Heavy drinking rose by 20% during the pandemic, and the increase continued in 2022. This trend spanned across most demographics, with the highest rise among adults aged 40-49.

Featured Neuroscience Psychology

·November 12, 2024·4 min read

Wealth Shapes Perceptions of Trustworthiness

New research shows that across diverse cultures, individuals with fewer material resources are consistently perceived as less trustworthy. The study spanned eight countries and uncovered a universal stereotype linking wealth to trustworthiness, even among those with low resources themselves.