PSY 393 Lecture Notes - Trait Theory, Heart Rate, Disinhibition
10 Sep 2014
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Studying the brain: brain damage studies, lesions. Rats: ventromedial hypothalamus (eating habits, told you when to stop eating, rat never felt full and got fat, case study - phineus gage. Don"t damage brain, but find cases where brain has been damaged and ask, An 1848 explosion forced a steel tamping rod through his head, did not die. Others said he was no longer gage (miracle) Irrelevant, impatient, emotion life flattened at, last job, worked as a sideshow exhibit: brain stimulation. Three factor model -recall : positive temperament (extraversion, willingness to engage environment, negative temperament (neuroticism, seeing the world as threatening, problematic, disinhibition vs. constraint, tendency to behave impulsively vs. controlled. Eysenck: extraversion and the aras : ascending reticular activating system, basic definition. Introverts salivated more, flooded with sour flavor because their systems overloaded. Extroverts salivated less, they aren"t getting overwhelmed: geen, 1984: noise intensity .
