Intelligence and Extraversion in the neural evaluation of delayed rewards

Claudia Civai, Daniel R. Hawes, Colin G. DeYoung, Aldo Rustichini

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


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 languageEnglish (US)
Pages (from-to)99-108
Number of pages10
JournalJournal of Research in Personality
StatePublished - Apr 1 2016

Bibliographical note

Publisher Copyright:
© 2016 Elsevier Inc.


  • Caudate nucleus
  • Choice
  • Decision preference
  • Evaluation network
  • Extraversion
  • Functional connectivity
  • Intelligence
  • Temporal discounting


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