On the shoulders of giants

British psychologists such as Hans Eysenck and Jeffrey Gray have been giants in the field of individual differences, offering psychobiological accounts of major personality traits such as extraversion and neuroticism, as well as the cluster of impulsive antisocial sensation-seeking personality facets, marked by Eysenck’s psychoticism scale. These theories have stimulated vibrant research programmes worldwide, including several within British psychology departments. This article provides a snapshot of classic and contemporary British research into the affective, behavioural and cognitive processes which characterise personality.