Diversity and homogeneity in responses of midbrain dopamine neurons.

@article{Fiorillo2013DiversityAH,
  title={Diversity and homogeneity in responses of midbrain dopamine neurons.},
  author={Christopher D. Fiorillo and Sora R Yun and Minryung R. Song},
  journal={The Journal of neuroscience : the official journal of the Society for Neuroscience},
  year={2013},
  volume={33 11},
  pages={4693-709}
}
Dopamine neurons of the ventral midbrain have been found to signal a reward prediction error that can mediate positive reinforcement. Despite the demonstration of modest diversity at the cellular and molecular levels, there has been little analysis of response diversity in behaving animals. Here we examine response diversity in rhesus macaques to appetitive, aversive, and neutral stimuli having relative motivational values that were measured and controlled through a choice task. First… CONTINUE READING

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