Biological2 - BIOLOGICAL APPROACH II Biological Structures...

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1 B IOLOGICAL A PPROACH II Biological Structures / Systems and Personality BIOLOGICAL APPROACH II: ROADMAP Three Factor Model Eysenck: Extraversion & Neuroticism Gray: BAS & BIS Davidson: Lateralization of Prefrontal Cortex Neurotransmitters Strengths and Weaknesses of Approach THREE FACTOR MODEL Positive Temperament Willingness to engage environment Negative Temperament Seeing the world as threatening, problematic Disinhibition vs. Constraint Tendency to behave impulsively vs. controlled
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2 EYSENCK: EXTRAVERSION AND THE ARAS Ascending Reticular Activating System Basic Definition Brain stem Activate/Deactivate cerebral cortex Regulate amount of sensory info EYSENCK: EXTRAVERSION AND THE ARAS Differences in Extraverts vs. Introverts Introverts Extraverts EYSENCK: EXTRAVERSION AND THE ARAS Empirical Evidence Not baseline, but Arousability Lemon Juice Test
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3 EYSENCK: EXTRAVERSION AND THE ARAS Empirical Evidence, cont. Geen, 1984:
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Biological2 - BIOLOGICAL APPROACH II Biological Structures...

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