PSY 0160 Lecture Notes - Prefrontal Cortex, Sensation Seeking, Extraversion And Introversion
Document Summary
Old school biological theory: ras is a gateway, regulates amount of stuff that gets into the brain, defined extraverts and introverts in terms of arousal. Introverts: overarousal, don"t need to seek it out withdraw to avoid overstimulation. Extraverts: underarousal, seek arousing situations engage in stimulating activities. Exciting stimuli introverts react more strongly (more cortical arousal) Behavioral approach system: movement towards desired states or objects, responsible for positive emotions (left prefrontal cortex, relates to conditioning towards positive outcomes, ex. rewards rather than punishment. 10/8: people with different levels of bas sensitivity demonstrate differences in responses to incentives, may be related to dopamine. Differences: bis-related emotionality and neuroticism, anxiety at core, respond to anxiety manipulations. Envisioning threatening situations: bas-related extraversion, respond to positive mood manipulation. Areas of disagreement: social qualities of extraversion, social incentives are a class of rewards to which extraverts are drawn, ex.
