Neural Differentiation of Expected Reward and Risk in Human Subcortical Structures

@article{Preuschoff2006NeuralDO,
  title={Neural Differentiation of Expected Reward and Risk in Human Subcortical Structures},
  author={Kerstin Preuschoff and Peter Bossaerts and Steven Quartz},
  journal={Neuron},
  year={2006},
  volume={51},
  pages={381-390}
}
In decision-making under uncertainty, economic studies emphasize the importance of risk in addition to expected reward. Studies in neuroscience focus on expected reward and learning rather than risk. We combined functional imaging with a simple gambling task to vary expected reward and risk simultaneously and in an uncorrelated manner. Drawing on financial decision theory, we modeled expected reward as mathematical expectation of reward, and risk as reward variance. Activations in… CONTINUE READING
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