Adjective describing PSYCHOSIS or noun referring to someone with a psychosis.
n. one of the three traits used by the British psychologist Hans Eysenck in his personality model, the others being extroversion and *neuroticism. Psychoticism is a personality pattern typified by aggressiveness and interpersonal hostility. Eysenck believed that high levels of this trait were linked to increased vulnerability to *psychosis but this has never been verified by subsequent research.... psychoticism
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