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Brembs, Bjorn; Baxter, Douglas A.; Byrne, John H. – Learning & Memory, 2004
Operant and classical conditioning are major processes shaping behavioral responses in all animals. Although the understanding of the mechanisms of classical conditioning has expanded significantly, the understanding of the mechanisms of operant conditioning is more limited. Recent developments in "Aplysia" are helping to narrow the gap in the…
Descriptors: Operant Conditioning, Classical Conditioning, Responses, Animals
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Reyes, Fredy D.; Mozzachiodi, Riccardo; Baxter, Douglas A.; Byrne, John H. – Learning & Memory, 2005
In a recently developed in vitro analog of appetitive classical conditioning of feeding in "Aplysia," the unconditioned stimulus (US) was electrical stimulation of the esophageal nerve (En). This nerve is rich in dopamine (DA)-containing processes, which suggests that DA mediates reinforcement during appetitive conditioning. To test this…
Descriptors: Reinforcement, Logical Thinking, Operant Conditioning, Classical Conditioning