PSYC 1101 Lecture Notes - Lecture 14: Jeffrey Alan Gray, Projective Test, Reticular Formation
15 Sep 2016
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An individual"s characteristic style of behaving, thinking and feeling. In general, explanations of personality are concerned with: prior events, anticipated events. Barnum, who said, there is a sucker born every minute. Barnum effects occur when the results for a personality test are so vague or general, that they would apply to anybody. Trait: relatively stable disposition to behave in a particular and consistent way (ex. Trait theory: ability to specify a manageable set of distinct personality dimensions that can be used to summarize the fundamental psychological differences among individuals. Genes affect personality primarily by influencing physiological characteristics of the nervous system: specific personality characteristics and specific genes that alter neurotransmission: Eysenck argued that differences in levels of cortical arousal underline differences between extraverts and introverts, specifically in relation to the reticular formation. Jeffrey gray proposed that the dimensions of extraversion introversion reflect two basic brain systems: the behavioral activation system (bas, the behavioral inhibition system (bis)
