Extending in vitro conditioning in Aplysia to analyze operant and classical processes in the same preparation
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CONTRIBUTORS:
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CONFERENCE NAME:
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CONF. LOCATION:
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None
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CONFERENCE YEAR:
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2004
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PUB TYPE:
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Conference Presentation
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SUBJECT(S):
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Neuroethology, neurobiology, neuroscience, neurophysiology, learning and memory, operant ocnditioning
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DISCIPLINE:
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Biology
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HTTP:
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LANGUAGE:
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English
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PUB ID:
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103-426-019
(Last edited on
2006/04/13 06:36:38 GMT-6)
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SPONSOR(S):
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ABSTRACT:
Operant and classical conditioning are major processes shaping behavioral responses in all animals. Although the understanding of 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 level of understanding between operant and classical conditioning, and have raised the possibility of studying the neuronal processes underlying the interaction of operant and classical components in a relatively complex learning task. In the present study, we describe a first step towards realizing this goal, by developing a single in vitro preparation in which both operant and classical conditioning can be studied concurrently. The new paradigm reproduced previously published results, even under more conservative and homogenous selection criteria and tonic stimulation regime. Moreover, the observed learning was resistant to delay, shortening and signaling of reinforcement.
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