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The Neural Basis of Economic Decision-making in the Ultimatum Game

The Neural Basis of Economic Decision-making in the Ultimatum Game Jonathan D. Cohen lab, Princeton University. Deborah Bird November 14, 2008. Questions: What are the neural correlates of fairness? What are the relative contributions of

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The Neural Basis of Economic Decision-making in the Ultimatum Game

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  1. The Neural Basis of Economic Decision-making in the Ultimatum Game Jonathan D. Cohen lab, Princeton University Deborah Bird November 14, 2008

  2. Questions: What are the neural correlates of fairness? What are the relative contributions of cognitive and emotional processes to economic decision-making? Hypothesis: Decisions to either accept or reject unfair offers will engage neural structures involved in both emotional and cognitive processing

  3. Responder Proposer Possible offers: 5:5 7:3 8:2 9:1

  4. Responder Proposer Possible offers: 5:5…x5 7:3…x2 8:2…x1 9:1…x2

  5. Right Anterior Insula Left Anterior Insula

  6. 9:1 8:2 5:5

  7. Negative emotional states linked to anterior insula activation in neuroimaging studies: Pain and distress: M J Iadarola, 1998 Hunger and thirst: D. Denton, 1999 Autonomic arousal: H D Critchley, 2000 Evaluation of negative emotional states, ie. anger and disgust

  8. Pain: Insula after injection of capsaicin M. J. Iadarola et al. 1998

  9. Anterior Insula activation in neuroimaging studies: Pain and distress: M J Iadarola, 1998 Hunger and thirst: D. Denton, 1999 Autonomic arousal: H D Critchley, 2000 Evaluation of negative emotional states, ie. anger and disgust

  10. Disgust

  11. Disgust Dis gust

  12. Disgust Dis gust Distaste

  13. Anterior Insula and Taste/Distaste: P Rozin, 1993 DM Small, 2000 Penfield and Faulk, 2000

  14. Anterior Insula and Disgust Recognition AJ Calder, 2001

  15. Disgust! Andrew J. Calder; Nature Reviews Neuroscience; 2001

  16. Disgust recognition. Activation of insula (in purple) during recognition of facial expressions showing disgust. Andrew J. Calder; 2001

  17. Conclusion: Emotional states are an important factor informing human decision-making. Competition and interplay between the anterior insula and the DLPFC represent the twin demands of the Ultimatum Game: The emotional resistance to unfairness The cognitive task of accumulating money

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