Cited by 57Memory and Neural MechanismsNeurobiology and Insect Physiology ResearchMollusks and Parasites Studies

The DOI matches its Crossref record; 44 of the 44 references it cites were found in a registry or an index.

Taste discrimination in conditioned taste aversion of the pond snail Lymnaea stagnalis

Abstract

SUMMARY: Conditioned taste aversion (CTA) in the pond snail Lymnaea stagnalis has been widely used as a model for gaining an understanding of the molecular and behavioral mechanisms underlying learning and memory. At the behavioral level, however, it is still unclear how taste discrimination and CTA interact. We thus examined how CTA to one taste affected the feeding response induced by another appetitive food stimulus. We first demonstrated that snails have the capacity to recognize sucrose and carrot juice as distinct appetitive stimuli. We then found that snails can become conditioned(i.e. CTA) to avoid one of the stimuli and not the other. These results show that snails can distinguish between appetitive stimuli during CTA, suggesting that taste discrimination is processed upstream of the site where memory consolidation in the snail brain occurs. Moreover, we examined second-order conditioning with two appetitive stimuli and one aversive stimulus. Snails acquired second-order conditioning and were still able to distinguish between the different stimuli. Finally, we repeatedly presented the conditional stimulus alone to the conditioned snails, but this procedure did not extinguish the long-term memory of CTA in the snails. Taken together, our data suggest that CTA causes specific, irreversible and rigid changes from appetitive stimuli to aversive ones in the conditioning procedure.

Overview

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Crossref · 10.1242/jeb.02069

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44 of 44 references verified0 citation errors · 0 not checkable

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Citations

Cites

Research works printed but not linked: 1

  1. Mackintosh, N. J. (1974). Extinction. In The Physiology of Animal Learning. pp.405-483. London: Academic Press.

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Metadata

Authors
Sugai, R., Shiga, H., Azami, S., Watanabe, T., Sadamoto, H., Fujito, Y., Lukowiak, K., & Ito, E.
Affiliations
  • Hokkaido University (JP)
  • Sapporo Medical University (JP)
  • University of Calgary (CA)
Corresponding author
Ito, Etsuro
Venue
Journal of Experimental Biology
Published
2006-03-01
Volume
209
Issue
5
Pages
826-833
ISSN
  • 0022-0949 (ISSN-L)
  • 1477-9145
OpenAlex
W2149412668
Cited by
57
References
44
Citations by year
2026: 1 · 2025: 1 · 2024: 3 · 2023: 3 · 2022: 2 · 2021: 4 · 2020: 4 · 2019: 3 · 2018: 1 · 2017: 3 · 2016: 2 · 2015: 3 · 2014: 2 · 2013: 8 · 2012: 1
FWCI
1.94
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Experimental Biology (publishedVersion)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Mollusks and Parasites Studies
Keywords
conditioned taste aversion, Lymnaea stagnalis, taste discrimination, second-order conditioning, appetitive stimuli, memory consolidation, learning and memory, memory extinction, feeding behavior, sucrose, carrot juice
MeSH terms
Animals, Conditioning, Psychological, Lymnaea, Taste, Time Factors

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