Intelligence and Extraversion in the neural evaluation of delayed rewards

Claudia Civai

doi:10.1016/j.jrp.2016.02.006

Intelligence and Extraversion in the neural evaluation of delayed rewards

Claudia Civai

Psychology

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

© 2016 Elsevier Inc. Temporal discounting (TD), the preference for earlier, smaller rewards over delayed, larger rewards, is a pervasive phenomenon that covaries with Big Five personality traits and Intelligence (IQ). This study provides novel insight by identifying correlates for IQ and Extraversion in the neural representation of TD preferences. An intertemporal choice task was employed, where offers were sequentially presented, distinguishing between one evaluation phase (first offer is presented) and one comparison phase (second offer is presented and values are compared). IQ correlated with responses of caudate nucleus to the subjective values of the offers, suggesting a role of cognitive abilities in modulating reward responses. Extraversion correlated with the strength of functional connectivity of a reward evaluation network centered on ventromedial prefrontal cortex.

Original language	English
Pages (from-to)	99-108
Journal	Journal of Research in Personality
DOIs	https://doi.org/10.1016/j.jrp.2016.02.006
Publication status	Published - 27 Feb 2016

Keywords

1702 Cognitive Science
1701 Psychology
Social Psychology

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10.1016/j.jrp.2016.02.006Licence: CC BY 4.0

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AB - © 2016 Elsevier Inc. Temporal discounting (TD), the preference for earlier, smaller rewards over delayed, larger rewards, is a pervasive phenomenon that covaries with Big Five personality traits and Intelligence (IQ). This study provides novel insight by identifying correlates for IQ and Extraversion in the neural representation of TD preferences. An intertemporal choice task was employed, where offers were sequentially presented, distinguishing between one evaluation phase (first offer is presented) and one comparison phase (second offer is presented and values are compared). IQ correlated with responses of caudate nucleus to the subjective values of the offers, suggesting a role of cognitive abilities in modulating reward responses. Extraversion correlated with the strength of functional connectivity of a reward evaluation network centered on ventromedial prefrontal cortex.

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KW - 1701 Psychology

KW - Social Psychology

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JO - Journal of Research in Personality

JF - Journal of Research in Personality

ER -

Intelligence and Extraversion in the neural evaluation of delayed rewards

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