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Freeman, John H.; Steinmetz, Adam B. – Learning & Memory, 2011
Pavlovian eyeblink conditioning has been used extensively as a model system for examining the neural mechanisms underlying associative learning. Delay eyeblink conditioning depends on the intermediate cerebellum ipsilateral to the conditioned eye. Evidence favors a two-site plasticity model within the cerebellum with long-term depression of…
Descriptors: Classical Conditioning, Eye Movements, Brain
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Bradfield, Laura A.; McNally, Gavan P. – Learning & Memory, 2010
We studied the role of nucleus accumbens shell (AcbSh) in Pavlovian fear conditioning. Rats were trained to fear conditioned stimulus A (CSA) in Stage I, which was then presented in compound with a neutral stimulus and paired with shock in Stage II. AcbSh lesions had no effect on fear-learning to CSA in Stage I, but selectively prevented learning…
Descriptors: Stimuli, Classical Conditioning, Fear, Child Development
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Lombas, Andres S.; Kearns, David N.; Weiss, Stanley J. – Learning and Motivation, 2008
The present experiment compared the effects of a food-based conditioned inhibitor on food seeking vs. cocaine seeking behavior. In two groups of rats, the A+/AB- Pavlovian conditioned inhibition procedure was used to create a conditioned inhibitor for food. Then, for one group of rats (Food-Food Group), a click stimulus was established as an…
Descriptors: Behavior Modification, Cocaine, Classical Conditioning, Animals
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Weinberger, Norman M. – Learning & Memory, 2007
Historically, sensory systems have been largely ignored as potential loci of information storage in the neurobiology of learning and memory. They continued to be relegated to the role of "sensory analyzers" despite consistent findings of associatively induced enhancement of responses in primary sensory cortices to behaviorally important signal…
Descriptors: Memory, Experimental Psychology, Classical Conditioning, Brain