Intelligence and Extraversion in the neural evaluation of delayed rewards

Journal article


Civai, C, Hawes, DR, DeYoung, CG and Rustichini, A (2016). Intelligence and Extraversion in the neural evaluation of delayed rewards. Journal of Research in Personality. 61, pp. 99-108.
AuthorsCivai, C, Hawes, DR, DeYoung, CG and Rustichini, A
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.

Keywords1701 Psychology; 1702 Cognitive Science; Social Psychology
Year2016
JournalJournal of Research in Personality
Journal citation61, pp. 99-108
PublisherLondon South Bank University
ISSN0092-6566
Digital Object Identifier (DOI)doi:10.1016/j.jrp.2016.02.006
Publication dates
Print27 Feb 2016
Publication process dates
Deposited12 Oct 2017
Accepted26 Feb 2016
Accepted author manuscript
License
CC BY 4.0
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https://openresearch.lsbu.ac.uk/item/874z7

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