Brain Circuits Show Why Friends’ Lies Are Easier to Believe

Summary: Researchers explored how people process deception from friends versus strangers, using brain imaging to study decision-making in gain and loss contexts. Volunteers were more likely to believe lies in…

Simple Hair Test May Spot Mental Health Risks in Kids

Summary: Long-term stress, measured through hair cortisol, may help predict mental health risks in children living with chronic physical illnesses. In a four-year study of 244 children, researchers found that…

Your Words May Reveal More Than You Think: AI Shows How

Summary: Psychologists are turning to artificial intelligence to uncover hidden psychological cues in speech, from word choice to tone and pacing. These signals can reveal personality traits and even early…

Loneliness Drives Teens to Seek Rewards

Summary: A new study reveals that adolescents are highly sensitive to even brief periods of social isolation, showing a sharp increase in motivation to seek rewards after just a few…

Aggression Is Contagious: Observing Violence Primes the Brain for Aggression

Summary: A new study shows that observing violence can make individuals more likely to act aggressively later, but the effect depends on familiarity. Male mice who watched familiar peers attack…

Brain Structure Differences in Children with ADHD Discovered

Summary: Researchers tested a new MRI correction method, called the traveling-subject (TS) approach, to resolve inconsistencies in ADHD brain imaging results. By scanning the same healthy subjects across multiple MRI…

Astrocyte Disruption Tied to Depression After Childhood Stress

Summary: Researchers have shown that astrocytes in the lateral hypothalamus play a pivotal role in how stress shapes behavior, particularly after early-life adversity. In mice, stress led to smaller, less…

Sex Shapes the Course of Bipolar Disorder and Schizophrenia

Summary: A large multicenter study has revealed that sex influences the course and characteristics of schizophrenia and bipolar disorder. Women with schizophrenia tended to begin treatment later, while men with…

Chronic Stress Sends Immune Cells to Brain, Driving Depression

Summary: A new study shows that chronic stress causes immune cells called neutrophils to leave bone marrow in the skull and collect in the brain’s protective membranes, where they contribute…

Depression Disrupts Learning to Avoid Unpleasant Events

Summary: Depression specifically impairs the ability to learn how to actively avoid unpleasant events, though it does not affect avoidance behavior once learned. Researchers tested 465 participants across a range…