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Individual Differences in Social Behavior, edited
by Mark R. Leary and Rich H. Hoyle
(New York: Guilford Press, 2009), 39.
9. The key seems to be positive emotion:
See Lucas and Diener, “Cross-Cultural Evidence
for the Fundamental Features of Extraversion.”
See also Daniel Nettle, Personality:
What Makes You the Way You Are (New
York: Oxford University Press, 2007).
10. The basis of buzz: Richard Depue and Paul
Collins, “Neurobiology of the Structure of
Personality: Dopamine, Facilitation of Incentive
Motivation, and Extraversion,” Behavioral
and Brain Sciences 22, no. 3 (1999):
491–569. See also Nettle, Personality: What
Makes You the Way You Are.
11. Dopamine is the “reward chemical”: Depue
and Collins, “Neurobiology of the
Structure of Personality: Dopamine, Facilitation
of Incentive Motivation, and Extraversion.”
See also Nettle, Personality: What