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Research Article

Extraversion Is Linked to Volume of the Orbitofrontal Cortex and Amygdala

  • Henk Cremers equal contributor mail,

    equal contributor Contributed equally to this work with: Henk Cremers, Marie-José van Tol

    cremershr@fsw.leidenuniv.nl

    Affiliations: Institute for Psychological Research, Clinical, Health and Neuropsychology Unit, Leiden University, Leiden, The Netherlands, Leiden Institute for Brain and Cognition, Leiden University, Leiden, The Netherlands

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  • Marie-José van Tol equal contributor,

    equal contributor Contributed equally to this work with: Henk Cremers, Marie-José van Tol

    Affiliations: Leiden Institute for Brain and Cognition, Leiden University, Leiden, The Netherlands, Department of Psychiatry, Leiden University Medical Center, Leiden, The Netherlands, BCN Neuroimaging Center, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands

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  • Karin Roelofs,

    Affiliations: Institute for Psychological Research, Clinical, Health and Neuropsychology Unit, Leiden University, Leiden, The Netherlands, Leiden Institute for Brain and Cognition, Leiden University, Leiden, The Netherlands

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  • Andre Aleman,

    Affiliation: BCN Neuroimaging Center, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands

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  • Frans G. Zitman,

    Affiliation: Department of Psychiatry, Leiden University Medical Center, Leiden, The Netherlands

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  • Mark A. van Buchem,

    Affiliations: Leiden Institute for Brain and Cognition, Leiden University, Leiden, The Netherlands, Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands

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  • Dick J. Veltman,

    Affiliation: Department of Psychiatry, VU University Medical Center, Amsterdam, The Netherlands

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  • Nic J. A. van der Wee

    Affiliations: Leiden Institute for Brain and Cognition, Leiden University, Leiden, The Netherlands, Department of Psychiatry, Leiden University Medical Center, Leiden, The Netherlands

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  • Published: December 09, 2011
  • DOI: 10.1371/journal.pone.0028421

About the Authors

Henk Cremers, Karin Roelofs
Institute for Psychological Research, Clinical, Health and Neuropsychology Unit, Leiden University, Leiden, The Netherlands
Henk Cremers, Marie-José van Tol, Karin Roelofs, Mark A. van Buchem, Nic J. A. van der Wee
Leiden Institute for Brain and Cognition, Leiden University, Leiden, The Netherlands
Marie-José van Tol, Frans G. Zitman, Nic J. A. van der Wee
Department of Psychiatry, Leiden University Medical Center, Leiden, The Netherlands
Marie-José van Tol, Andre Aleman
BCN Neuroimaging Center, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
Mark A. van Buchem
Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
Dick J. Veltman
Department of Psychiatry, VU University Medical Center, Amsterdam, The Netherlands

Corresponding Author

Email: cremershr@fsw.leidenuniv.nl

Competing Interests

Author Andre Aleman is an Academic Editor at PLoS.

Author Contributions

Conceived and designed the experiments: AA FGZ MAvB DJV NJAvdW. Performed the experiments: M-JvT AA DJV NJAvdW. Analyzed the data: HC M-JvT. Wrote the paper: HC M-JvT KR AA FGZ MAvB DJV NJAvdW.