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In the 1950s, British psychologist Hans Eysenck theorized that the trait of introversion-extraversion could be explained in terms of Clark Hull's drive theory of motivation. He later developed his own arousal theory to explain individual differences in the trait, suggesting that the brains of extraverts were chronically under-aroused, leading ...
Introverts appear to be less responsive than extroverts to dopamine (a brain chemical linked to reward-driven learning), and have a more circumspect and cautious approach to risk than do extroverts. [3] Introverts are more governed by the neocortex, the part of the brain responsible for thinking, planning, language and decision making. [12]
[1] Consciously, in an introvert, the four basic cognitive functions follow the introverted 'general attitude of consciousness'. "Everyone whose attitude is introverted thinks, feels, and acts in a way that clearly demonstrates that the subject is the chief factor of motivation while the object at most receives only a secondary value." [1]
Reinforcement sensitivity theory (RST) proposes three brain-behavioral systems that underlie individual differences in sensitivity to reward, punishment, and motivation. While not originally defined as a theory of personality , the RST has been used to study and predict anxiety , impulsivity , and extraversion . [ 1 ]
For example, according to type theories, there are two types of people, introverts and extroverts. According to trait theories, introversion and extroversion are part of a continuous dimension with many people in the middle. Personality is complex; a typical theory of personality contains several propositions or sub-theories, often growing over ...
This would form the basis of the Five Temperaments theory by Dr. Richard G. and Phyllis Arno, in which the ancient temperaments were mapped to the FIRO-B scales (in all three areas), with Phlegmatic becoming the moderate e/w instead of low e/high w, which was now taken to constitute a fifth temperament called "Supine", which has many of the ...
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The instrumental theory suggests that extraverts end up making choices that place them in more positive situations and they also react more strongly than introverts to positive situations. The temperamental theory suggests that extroverts have a disposition that generally leads them to experience a higher degree of positive affect.