Invertebrate Learning - Research Article from Learning & Memory

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Behavioral Plasticity

In the final quarter of the twentieth century, a plethora of behavioral learning tasks were developed for Drosophila (Connolly and Tully, 1998). Nonassociative tasks exist for the landing response, cleaning reflex, proboscis extension response, and odor avoidance response. Associative tasks include conditioned task aversion, courtship conditioning, operant conditioning to visual cues in a flight simulator, and olfactory discriminative conditioning. The last task, in particular, has proved valuable. Because initial conditioned avoidance levels are robust and memory retention can last more than a week, this learning task has been used extensively to identify and characterize single-gene mutations (see below). Careful analyses of the learning/memory defects in these mutants has suggested that olfactory memory formation occurs in five genetically distinct phases: acquisition or learning (LRN), short-term memory (STM), middle-term memory (MTM), anesthesia-resistant memory (ARM), and long-term memory (LTM) (Tully et al., 1996; Tully, Preat, Boynton, and Del Vecchio...

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This section contains 262 words
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Buy the Invertebrate Learning Encyclopedia Article
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Learning & Memory
Invertebrate Learning from Learning & Memory. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
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