Limited encoding of effort by dopamine neurons in a cost-benefit trade-off task.

@article{Pasquereau2013LimitedEO,
  title={Limited encoding of effort by dopamine neurons in a cost-benefit trade-off task.},
  author={Benjamin Pasquereau and Robert S. Turner},
  journal={The Journal of neuroscience : the official journal of the Society for Neuroscience},
  year={2013},
  volume={33 19},
  pages={8288-300}
}
Animals are thought to evaluate the desirability of action options using a unified scale that combines predicted benefits ("rewards"), costs, and the animal's internal motivational state. Midbrain dopamine neurons have long been associated with the reward part of this equation, but it is unclear whether these neurons also estimate the costs of taking an action. We studied the spiking activity of dopamine neurons in the substantia nigra pars compacta of monkeys (Macaca mulatta) during a reaching… CONTINUE READING

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