FeaturedNeurosciencePsychology·November 18, 2024·3 min readStudy Debunks Heart Rate Variability as Predictor of AggressionNew research has found no evidence linking heart rate variability (HRV) to reactive aggression, overturning previous theories. HRV measures the variation between heartbeats and has been associated with stress resilience, but this study shows it is not a reliable biomarker for aggression.Read More
FeaturedNeuroscience·November 11, 2024·5 min readMental Exhaustion Drives Aggressive BehaviorProlonged mental fatigue can lead to increased aggression and uncooperative behavior due to changes in the brain’s frontal cortex. This area, crucial for decision-making, starts to show “local sleep” activity patterns, typically associated with rest.Read More
FeaturedNeurosciencePsychology·October 28, 2024·5 min readPrenatal Cannabis Use Linked to Child Aggression and Cognitive DeficitsPrenatal exposure to cannabis can negatively impact children’s thinking and behavioral skills, including impulse control, attention, and aggression, which are key for academic and social success. The study observed preschool-aged children with prenatal cannabis exposure and found they showed poorer control over impulses and emotions.Read More
FeaturedNeurosciencePsychology·October 24, 2024·15 min readBrain Signals Reveal How Aggression and Arousal Are EncodedNew research has uncovered that brain signals for aggression in male mice and sexual arousal in female mice are encoded by similar neural mechanisms. The studies found that a specific type of neural signal, called a line attractor, represents the intensity and persistence of these emotional states.Read More
FeaturedNeurologyNeurosciencePsychology·October 2, 2024·4 min readCannabis Pill Reduces Agitation in Alzheimer’s Patients by 30%A new study reveals that dronabinol, a synthetic form of THC, can reduce agitation in Alzheimer’s patients by 30%. Unlike current medications, dronabinol showed fewer side effects, such as delirium or seizures, making it a safer alternative.Read More
FeaturedNeurosciencePsychology·September 23, 2024·4 min readGut Microbiome Disruption Linked to AggressionDisruptions in the gut microbiome, especially due to early-life antibiotic use, lead to increased aggression in mice. Researchers transplanted microbiomes from infants exposed to antibiotics into mice and found a clear connection between altered gut bacteria and aggressive behavior.Read More
FeaturedNeurosciencePsychology·July 15, 2024·5 min readAdolescent Boys Show Aggression When Masculinity is ThreatenedA new study reveals that adolescent boys respond aggressively to perceived threats to their masculinity, particularly in environments with rigid gender norms. Researchers found that boys whose motivation to be masculine is socially pressured are more likely to exhibit aggression.Read More
FeaturedNeurosciencePsychology·May 28, 2024·5 min readOmega-3 Supplements May Reduce AggressionA new study found that omega-3 supplementation can reduce aggression by 30%. The study reviewed 29 randomized controlled trials, showing short-term benefits across various demographics.Read More
FeaturedNeuroscience·January 24, 2024·5 min readOxytocin Helps Mice Avoid BulliesResearchers discovered how mice learn to avoid their aggressors after a defeat. This study shows that the anterior ventrolateral part of the ventromedial hypothalamus (aVMHvl) in the brain, along with the hormone oxytocin, plays a central role in this behavior.Read More
FeaturedNeurosciencePsychology·January 18, 2024·4 min readSexual Rejection Increases Aggression and Stress in Male Fruit FliesA new study reveals how fruit flies respond to the stress of repeated mating failures. Researchers observed that male fruit flies facing repeated sexual rejection showed increased activity, aggression, and anti-social behavior, indicating a frustration-like stress state.Read More
FeaturedNeurosciencePsychology·December 21, 2023·3 min readWomen’s Tears Chemical Diminish Male AggressionA new study reveals that women's tears contain chemicals that significantly reduce aggression in men. The study, which builds on known effects in rodents, employed a two-person game designed to elicit aggressive behavior in men, who unknowingly sniffed either women's tears or saline.Read More
FeaturedNeuroscience·December 5, 2023·4 min readCerebellar Glia Influence Aggression LevelInteractions between neurons and glial cells in the cerebellum significantly influence aggression levels in mice. This study highlights the role of the cerebellum, specifically the Bergmann glial cells in the cerebellar vermis, in regulating aggression.Read More
