Amphetamine decreases the expression and acquisition of appetitive conditioning but increases the acquisition of anticipatory responding over a trace interval.

@article{Kantini2004AmphetamineDT,
  title={Amphetamine decreases the expression and acquisition of appetitive conditioning but increases the acquisition of anticipatory responding over a trace interval.},
  author={Ebrahim Kantini and Christine Norman and Helen J Cassaday},
  journal={Journal of psychopharmacology},
  year={2004},
  volume={18 4},
  pages={
          516-26
        }
}
The effects of amphetamine on selective learning were tested in a trace conditioning procedure, in which the informativeness of the conditioned stimulus (CS) (noise) was manipulated through the introduction of a time interval before the delivery of the unconditioned stimulus (UCS) (food). The results showed that d-amphetamine (0.5 and 1.5 mg/kg) impaired both the expression (Experiment 1b) and acquisition (Experiment 2) of appetitive conditioning. This was true for both trace and contiguously… CONTINUE READING

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