Genetic factors account for much of the variation in personality traits across the lifespan. Shared upbringing plays a smaller role in adult personality than many clinical models assume.

An individual’s genetics and their environment both shape their personality. However, opinions differ on the degree to which each of these factors influences personality, and how they contribute to ...

The Editors at Communications Psychology, Nature Communications, and Scientific Reports invite submissions on the topic of personality development. This curated Collection will bring together ...

People love taking personality tests, but are personality types real? Maybe, and maybe not. Personality development is complicated, and most healthy personality types are not so easily defined. Your ...

The exact cause of personality disorders is unclear. However, genetics, neurological differences, and environmental factors may contribute to the development of these complex mental health conditions.