Group Social Dynamics in a Seminatural Setup Reflect the Adaptive Value of Aggression in Male Mice.

Background: Maladaptive aggression in humans is associated with several psychiatric conditions and lacks effective treatment. Nevertheless, tightly regulated aggression is essential for survival throughout the animal kingdom. Studying how social dominance hierarchies regulate aggression and access to resources in an enriched environment (EE) can narrow the translational gap between aggression in animal models and normal and pathological human behavior.

Writing in a Digital World: Self-Correction While Typing in Younger and Older Adults.

This study examined how younger and older adults approach simple and complex computerized writing tasks. Nineteen younger adults (age range 21-31, mean age 26.1) and 19 older adults (age range 65-83, mean age 72.