Summary: Women who commit lethal violence rarely display psychopathy, instead acting out of provocation and perceived threats. A 15-year Swedish study of 175 cases found that about half of the…
Tag: aggression
Toxoplasma Parasite Influences Personality and Aggression
Summary: New research highlights how parasitic infections can alter brain chemistry and behavior in humans. Toxoplasma gondii, among others, appears to manipulate dopamine and immune responses, increasing risk-taking, impulsivity, and…
Familiar Faces and Fights: What Monkeys Like to Watch Most
Summary: A new study reveals that long-tailed macaques, like humans, are most captivated by videos featuring social conflict and familiar group members. Researchers showed the macaques videos of monkeys engaged…
Choose Your Battles: Identity Shapes Displaced Aggression
Summary: Displaced aggression—redirecting frustration onto an uninvolved target—has now been studied in mice, revealing that identity and social history play key roles in shaping aggressive behavior. Male mice primed by…
How Alcohol Increases Pain Tolerance, and Aggression
Summary: Alcohol not only raises pain tolerance but also amplifies aggression, according to a new study. Researchers found that participants who drank alcohol had higher pain thresholds and were more…
Family History of Mental Illness Increases Aggression Risk in CTE
Summary: A new study reveals that individuals with chronic traumatic encephalopathy (CTE) and a family history of mental illness have a heightened risk of aggression during adulthood, particularly between ages…
Prenatal Cannabis Use Linked to Child Aggression and Cognitive Deficits
Summary: New research shows that prenatal 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…
Adolescent Boys Show Aggression When Masculinity is Threatened
Summary: A 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…
