Importance of unpredictability for reward responses in primate dopamine neurons.

  title={Importance of unpredictability for reward responses in primate dopamine neurons.},
  author={Jacques Mirenowicz and Wolfram Schultz},
  journal={Journal of neurophysiology},
  volume={72 2},
1. We used single neuron recording techniques in two behaving monkeys to investigate the conditions in which dopamine neurons respond to primary rewarding or potentially rewarding stimuli. Animals received drops of liquid either outside behavioral tasks or as rewards during learning or established performance of an auditory reaction time task. 2. Three quarters of dopamine neurons showed a short-latency, phasic response to liquid that was delivered outside the task without being predicted by… CONTINUE READING
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