Brain Signals Reveal How Aggression and Arousal Are Encoded

Summary: New 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…

How Social Learning Guides Decisions When Preferences Differ

Summary: A new study shows that humans use social information to guide their decisions, even when others’ preferences differ from their own. Researchers found that people treat social cues as…

Youth Face Rising Risks of Harassment and Exploitation in the Metaverse

Summary: A new study reveals that youth are vulnerable to various forms of harm in the metaverse, including bullying, harassment, and sexual exploitation. Using data from over 5,000 U.S. teens,…

Social Media Verification Drives Polarization and Echo Chambers

Summary: A new study shows that X’s verification system, which gives verified users priority in algorithms, can increase polarization and trigger the formation of echo chambers. Researchers used computational modeling…

Happy Partners Help Reduce Stress in Older Adults

Summary: Having a happy intimate partner can lower stress levels in older adults by reducing the production of cortisol, a stress hormone. Couples with higher relationship satisfaction experience an even…

Emotional Blindness Drives Empathy Deficits in Psychopathy

Summary: A new study links psychopathy with alexithymia, or emotional blindness, which may explain the emotional deficits seen in people with psychopathic traits. Individuals with strong psychopathic traits struggle to…

Mental Fatigue Increases Temptation for Rewards

Summary: New research reveals that mental fatigue makes rewards like unhealthy snacks more tempting. Both rats and humans who exerted cognitive effort sought out more rewards, with rats self-administering more…

Parent-Child Play Shapes Social Skills for Interacting with Peers

Summary: How parents and toddlers play together can predict children’s future social interactions. By observing over 120 mother-child pairs, researchers found that responsive and assertive behaviors during play were linked…

Listening to Music After Surgery Lowers Pain and Anxiety

Summary: A new study suggests that listening to music after surgery can significantly reduce pain, anxiety, and even heart rate, aiding recovery. An analysis of 35 studies found that patients…

Video Games Boost Cognition, Exercise Improves Mental Health

Summary: A large-scale study has found that playing video games boosts cognitive abilities, but has no impact on mental health, while exercise improves mental well-being without affecting cognition. Over 1,000…