A possible role of midbrain dopamine neurons in short- and long-term adaptation of saccades to position-reward mapping.

@article{Takikawa2004APR,
  title={A possible role of midbrain dopamine neurons in short- and long-term adaptation of saccades to position-reward mapping.},
  author={Y. Takikawa and R. Kawagoe and O. Hikosaka},
  journal={Journal of neurophysiology},
  year={2004},
  volume={92 4},
  pages={
          2520-9
        }
}
Dopamine (DA) neurons respond to sensory stimuli that predict reward. To understand how DA neurons acquire such ability, we trained monkeys on a one-direction-rewarded version of memory-guided saccade task (1DR) only when we recorded from single DA neurons. In 1DR, position-reward mapping was changed across blocks of trials. In the early stage of training of 1DR, DA neurons responded to reward delivery; in the later stages, they responded predominantly to the visual cue that predicted reward or… Expand
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