PSYC 1000 Lecture Notes - Lecture 8: Reticular Formation, Dorsolateral Prefrontal Cortex, Prefrontal Cortex

• School: University of Guelph
• Department: Psychology
• Course: PSYC 1000
• Professor: Anneke Olthof

Document Summary

Comparing personality traits between nations: canada falls in the middle on all five traits. Challenges in cross-cultural research: translating measures of personality so the same question means the same thing to everyone, different response styles in different cultures. In collectivist cultures, it is not socially acceptable to say highly positive things about yourself. Many core dimensions of personality are influenced by genes. Looks at how scoring high or low on each of the big five would have been adaptive. More tuned to danger and being cautious. Maintain a cohesive sense of identity within the culture. Arousal theory of extraversion (eysenck 1967) extraversion is determined by people"s threshold for arousal. Argues that: ascending reticular activating system (aras) role in controlling this arousal response. Plays a central: aras has a lower resting baseline of activation in extraverts than introverts. Approach/inhibition model of motivation (gray 1991) two major brain systems for processing rewards and punishments.