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Makes You the Way You Are. See also Susan
Lang, “Psychologist Finds Dopamine Linked
to a Personality Trait and Happiness,” Cornell
Chronicle 28, no. 10 (1996).
12. early findings have been intriguing:
Some of the findings in this line of research
have been contradictory or have not been
replicated, but together they pose an important
avenue of inquiry.
13. In one experiment, Richard Depue: Depue
and Collins, “Neurobiology of the
Structure of Personality: Dopamine, Facilitation
of Incentive Motivation, and
Extraversion.”
14. extroverts who win gambling games: Michael
X. Cohen et al., “Individual Differences
in Extraversion and Dopamine Genetics
Predict Neural Reward Responses,” Cognitive
Brain Research 25 (2005): 851–61.
15. other research has shown that the medial
orbitofrontal cortex: Colin G. DeYoung