16. Hans Eysenck suggested that two traits are the most impo…
16. Hans Eysenck suggested that two traits are the most important traits of the Five-Factor Model. More recently, Jeffrey Gray has suggested that these two traits are important because they are related to fundamental reward and avoidance systems in the brain. Which two traits of the Five-Factor Model are Eysenck and Gray referring to, and how do they map onto the reward and avoidance systems?