Effects of haloperidol and d-amphetamine on perceived quantity of foods and tones

@article{MartinIverson1987EffectsOH,
  title={Effects of haloperidol and d-amphetamine on perceived quantity of foods and tones},
  author={Mathew Thomas Martin-Iverson and David H. L. Wilkie and H. Christian Fibiger},
  journal={Psychopharmacology},
  year={1987},
  volume={93},
  pages={374-381}
}
The hypothesis that dopamine (DA) receptor agonists and antagonists affect “hedonia” associated with natural rewards was tested, using a psychophysical procedure previously shown to be sensitive to both the sweetness of food and the motivational state of rats. Rats were first trained to discriminate between two different quantities of a rewarding stimulus by pressing one of two levers. Perceived quantity was subsequently derived from generalization trials of intermediate quantities. Haloperidol… CONTINUE READING

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