An fMRI examination of developmental differences in the neural correlates of uncertainty and decision-making

Amy L. Krain, Sara Hefton, Daniel S. Pine, Monique Ernst, F. Xavier Castellanos, Rachel G. Klein, Michael P. Milham

Research output: Contribution to journalArticle

Abstract

Background: Maturation of prefrontal circuits during adolescence contributes to the development of cognitive processes such as decision-making. Recent theories suggest that these neural changes also play a role in the shift from generalized anxiety disorder (GAD) to depression that often occurs during this developmental period. Cognitive models of the development of GAD highlight the role of intolerance of uncertainty (IU), which can be characterized behaviorally by impairments in decision-making. The present study examines potential developmental differences in frontal regions associated with uncertain decision-making, and tests the impact of IU on these circuits. Methods: Twelve healthy adults (ages 19-36) and 12 healthy adolescents (ages 13-17) completed a decision-making task with conditions of varied uncertainty while fMRI scans were acquired. They also completed measures of worry and IU, and a questionnaire about their levels of anxiety and certainty during the task. Results: Combined group analyses demonstrated significant linear effects of uncertainty on activity within anterior cingulate cortex (ACC). Region of interest (ROI)-based analysis found a significant interaction of group and IU ratings in ACC. Increased IU was associated with robust linear increases in ACC activity only in adolescents. An ROI analysis of feedback-related processing found that adolescents demonstrated greater activation during incorrect trials relative to correct trials, while the adults showed no difference in neural activity associated with incorrect and correct feedback. Conclusions: This decision-making task was shown to be effective at eliciting uncertainty-related ACC activity in adults and adolescents. Further, IU impacts ACC activity in adolescents during uncertain decision-making, providing preliminary support for a developmental model of GAD.

Original languageEnglish (US)
Pages (from-to)1023-1030
Number of pages8
JournalJournal of Child Psychology and Psychiatry and Allied Disciplines
Volume47
Issue number10
DOIs
StatePublished - Nov 2006
Externally publishedYes

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Uncertainty
Decision Making
Magnetic Resonance Imaging
Gyrus Cinguli
Anxiety Disorders
Anxiety
Depression

Keywords

  • Adolescence
  • Anxiety
  • Brain imaging
  • Development

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Developmental and Educational Psychology

Cite this

An fMRI examination of developmental differences in the neural correlates of uncertainty and decision-making. / Krain, Amy L.; Hefton, Sara; Pine, Daniel S.; Ernst, Monique; Xavier Castellanos, F.; Klein, Rachel G.; Milham, Michael P.

In: Journal of Child Psychology and Psychiatry and Allied Disciplines, Vol. 47, No. 10, 11.2006, p. 1023-1030.

Research output: Contribution to journalArticle

Krain, Amy L. ; Hefton, Sara ; Pine, Daniel S. ; Ernst, Monique ; Xavier Castellanos, F. ; Klein, Rachel G. ; Milham, Michael P. / An fMRI examination of developmental differences in the neural correlates of uncertainty and decision-making. In: Journal of Child Psychology and Psychiatry and Allied Disciplines. 2006 ; Vol. 47, No. 10. pp. 1023-1030.
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