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Dopamine and extraversion: Differential responsivity may be the key

Published online by Cambridge University Press:  01 June 1999

Thomas H. Rammsayer
Thomas H. Rammsayer
Affiliation:
Institute for Psychology, University of Goettingen, D-37073 Goettingen, [email protected]
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Abstract

Depue & Collins's general idea of a functional relationship between DA activity and extraversion is an important step toward an integrative biological model of personality. However, focusing primarily on incentive motivation and variations in VTA DA activity as basic behavioral and biological components underlying extraversion appears too limited. Existing data suggest that responsivity to changes in DA activity is higher in introverts than in extraverts. This may reflect a general, extraversion- related characteristic of the entire dopaminergic network in the brain.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 22 , Issue 3 , June 1999 , pp. 535 - 536
Copyright
© 1999 Cambridge University Press

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