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

  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},
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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Alteration in the perception of food quantity by rats induced by manipulations of hunger and food sweetness

MT Martin-Iverson, HC Fibiger, DM Wilkie
Learn Motiv • 1987

The effect of pimozide on variable-interval performance: a test of the "anhedonia °' hypothesis of the mode of action of neuroleptics

M JMorley, CM Bradshaw, E Szabadi
Psychopharmacology • 1984

The numerical attribute of stimuli

RM Church, WH Meck
Roitblat HL, Bever TG, Terrace HS (eds) Animal cognition. Lawrence Erlbaum Associates, • 1984

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