refers to one conception of neuroticism, as represented by an individual’s relative sensitivity to aversive (negative, punishing) cues and stimuli and his or her tendencies toward avoiding them. Compare appetition system. [proposed by Hans Eysenck]
AVERSION SYSTEM: “A person with a strong aversion system may be likely to avoid or withdraw from many situations, people, or objects, relative to a person with a weaker aversion system.”