Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. There are hundreds of traits psychologists use to describe someone’s ...

Are you impulsive, stressed, or moody? Perhaps organized, active, and helpful? A new study suggests that the latter traits may define the human lifespan. Researchers have identified that specific ...

Based on genetic studies, scientists estimate that 30% to 60% of your personality is inheritable. Research also suggests that significant personality changes tend to occur between ages 20 to 40. Were ...

Conventional wisdom says you might be an introvert if you’re quiet and shy. In this view, everyone else is an extrovert (also spelled extravert in psychology circles) — an introvert’s outgoing, social ...

Researchers are reconsidering how we define personality disorders. Current DSM definitions invoke a sufficient number of related symptoms. For this categorical approach, delineation of Borderline ...