PSYB30H3 Chapter Notes - Chapter 7: Trait Theory, Sympathetic Nervous System, Mood Disorder
Document Summary
Chapter 7 - physiologically based theories of personality. Can be measured by the eysneck personality inventory. Eysenck stated that introverts are characterized by higher levels of activity in the brain"s ascending reticular activating system (aras) than are extraverts. _the aras is a structure in the brain stem thought to control overall cortical arousal. _introverts, according to this theory, have higher resting level of cortical arousal because their. Aras lets in too much stimulation that"s why introverts engage in introverted behaviors, because they need to keep their already heightened level of arousal in check. By optimal level of arousal, hebb meant a level that is just right for any given task. According to the theory, the generally overaroused condition of introverts leads them to be more restrained and inhibited. They avoid active social interactions that might aggravate their already overstimulated condition. Extraverts need to get their arousal level higher and, seek out stimulating activities and engage in more in restrained behaviors.
