Reward modulates neuronal activity in the hippocampus of the rat.

  title={Reward modulates neuronal activity in the hippocampus of the rat.},
  author={Christian Hoelscher and Wolfgang Jacob and Hanspeter A. Mallot},
  journal={Behavioural brain research},
  volume={142 1-2},
In the hippocampus of freely moving rats, neurons have been recorded that fire predominantly when the animal travels through a particular area while exploring the environment (so-called 'place cells'). This study investigates if the neuronal firing characteristics of such cells are modulated by attention, expectation of reward or memory load. A total of 16 electrodes were implanted in the CA1 region of the hippocampus of 3-month-old Long-Evans rats. Using a tetrode recording system, single… CONTINUE READING

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