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Updated: Jun 30, 2026

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods
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Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods

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Decision-making under risk: an fMRI study.

Johannes Hewig1, Thomas Straube, Ralf H Trippe

  • 1Biology and Clinical Psychology, Friedrich-Schiller-University, Jena, Germany. hewig@biopsy.uni-jena.de

Journal of Cognitive Neuroscience
|October 1, 2008
PubMed
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Suboptimal decisions, whether too risky or too cautious, increase anterior cingulate cortex activity during Blackjack. This brain activity is linked to avoiding negative outcomes, highlighting the anterior cingulate cortex

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Decision Science

Background:

  • Decision-making under risk is a key area of research.
  • Suboptimal choices include decisions that are excessively risky or overly cautious.
  • Understanding the neural mechanisms of these decisions is crucial.

Purpose of the Study:

  • To investigate the neural correlates of both too risky and too cautious decisions.
  • To examine the role of the anterior cingulate cortex in evaluating risky choices.
  • To determine if anterior cingulate cortex activity relates to avoiding negatively perceived decisions.

Main Methods:

  • Participants played a Blackjack gambling task.
  • Brain activity was monitored, focusing on the anterior cingulate cortex.

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Related Experiment Videos

Last Updated: Jun 30, 2026

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods
13:04

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods

Published on: September 19, 2012

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition
16:08

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition

Published on: February 1, 2012

Functional Imaging with Reinforcement, Eyetracking, and Physiological Monitoring
08:47

Functional Imaging with Reinforcement, Eyetracking, and Physiological Monitoring

Published on: November 13, 2008

  • Decision outcomes and associated neural responses were analyzed.

    • Main Results:

    • Both excessively risky and overly cautious decisions led to heightened activity in the anterior cingulate cortex.
    • Increased anterior cingulate cortex activation correlated with avoiding decisions that were evaluated negatively.
    • These findings support the anterior cingulate cortex's role in decision-making and conflict.

    Conclusions:

    • The anterior cingulate cortex is involved in processing suboptimal decisions under risk.
    • Anterior cingulate cortex activity may signal the avoidance of undesirable choices.
    • This research contributes to understanding the neural basis of decision-making and error monitoring.