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Classical Conditioning2
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Pavlovian Extinction of the Discriminative Stimulus Effects of Nicotine and Ethanol in Rats Varies as a Function of Context
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Troisi, Joseph R., II – Psychological Record, 2011
Operant extinction contingencies can undermine the discriminative stimulus effects of drugs. Here, nicotine (0.4 mg/kg) and ethanol (0.8 g/kg) first functioned as either an S[superscript D] or S[superscript Delta], in a counterbalanced one-lever go/no-go (across sessions) operant drug discrimination procedure. Pavlovian extinction in the training…
Descriptors: Narcotics, Classical Conditioning, Animals, Drug Use
Dopamine D1 and D2 Receptors in the Nucleus Accumbens Core and Shell Mediate Pavlovian-Instrumental Transfer
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Lex, Anja; Hauber, Wolfgang – Learning & Memory, 2008
Pavlovian stimuli previously paired with food can markedly elevate the rate of food-reinforced instrumental responding. This effect, termed Pavlovian-instrumental transfer (PIT), depends both on general activating and specific cueing properties of Pavlovian stimuli. Recent evidence suggests that the general activating properties of Pavlovian…
Descriptors: Stimuli, Classical Conditioning, Reinforcement, Food