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The present experiment compared the effectiveness of explicitly unpaired treatment and extinction in preventing the recovery of sign-tracking within a context renewal design. Three groups of rats were first trained on a sign-tracking procedure in Context A where insertions of a retractable lever were paired with food. In a second phase, the sign-tracking response was eliminated. One group received...
Previous experiments on behavioral momentum have shown that relative resistance to extinction of operant behavior in the presence of a discriminative stimulus depends upon the baseline rate or magnitude of reinforcement associated with that stimulus (i.e., the Pavlovian stimulus–reinforcer relation). Recently, we have shown that relapse of operant behavior in reinstatement, resurgence, and context...
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