Summary: New research following children for more than a decade links high screen exposure before age two to accelerated brain maturation, slower decision-making, and increased anxiety by adolescence. Infants with…
Category: Psychology
Doubting Your Doubts Can Boost Motivation
Summary: When people facing uncertainty about an important identity goal are nudged to question the validity of their own doubts, their commitment to that goal actually increases. The research demonstrates…
Guilt and Shame Shape Behavior Through Separate Brain Pathways
Summary: Guilt and shame arise from different cognitive triggers and rely on distinct neural systems to guide compensatory behavior. Using a controlled game that manipulated both harm and responsibility, researchers…
Emotional Stress Triggers Instant Arousal From Deep Sleep
Summary: A new study uncovers a precise brain pathway that rapidly converts emotional stress into sudden wakefulness during NREM sleep. Researchers found that GABAergic neurons in the BNST activate glutamatergic…
Depression Quietly Damages the Heart Through Stress Circuits
Summary: Depression and anxiety may heighten cardiovascular disease risk through chronic stress pathways in the brain and body. In a large analysis of more than 85,000 adults, those with depression…
Second-Hand Gifts Are Becoming the New Status Symbol
Summary: New research shows that buying second-hand gifts is typically a thoughtful, intentional decision rather than an impulsive one. Consumers are motivated by fair prices, the thrill of finding rare…
Study Challenges Myths About Self-Centeredness
Summary: A large international study of more than 45,000 people shows that narcissism is a universal personality trait—not one concentrated in any single country. Although nations differed somewhat, the five…
AI Brain Model Reveals How Fear Works in Real Life
Summary: Researchers have developed an AI-driven brain model that can track fear as it unfolds in real-world situations, offering a major shift from traditional lab-based approaches. Classic fear studies often…
Stress Levels Predict Cannabis Use
Summary: New research shows that rats with naturally higher baseline stress hormone levels are significantly more likely to self-administer cannabis vapor. Over several weeks, rats were allowed to nose-poke for…
