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Taste aversion learning in the snail Cornu aspersum

Taste aversion learning in the snail Cornu aspersum The present study was conducted to provide evidence of conditioned taste aversion learning (CTA) in the snail Cornu aspersum, using quinidine as the aversive stimulus in a procedure of Pavlovian Conditioning of Tentacle Lowering. Subjects were split into two groups: paired and unpaired. During the devaluation phase, subjects from the “paired group” received the US followed by the quinidine exposure, while subjects from the “unpaired group” received the quinidine and, 30 min later, the US. Subjects which had received the US paired with the quinidine showed a decrease of the conditioned response (CR), in contrast to subjects which had received the quinidine and the US unpaired. These results provide a useful CTA procedure in terrestrial snails. The implication of the results for learning and the physiological correlates is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Animal Cognition Springer Journals

Taste aversion learning in the snail Cornu aspersum

Animal Cognition , Volume 26 (3) – Jun 1, 2023

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Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023
ISSN
1435-9448
eISSN
1435-9456
DOI
10.1007/s10071-023-01760-7
Publisher site
See Article on Publisher Site

Abstract

The present study was conducted to provide evidence of conditioned taste aversion learning (CTA) in the snail Cornu aspersum, using quinidine as the aversive stimulus in a procedure of Pavlovian Conditioning of Tentacle Lowering. Subjects were split into two groups: paired and unpaired. During the devaluation phase, subjects from the “paired group” received the US followed by the quinidine exposure, while subjects from the “unpaired group” received the quinidine and, 30 min later, the US. Subjects which had received the US paired with the quinidine showed a decrease of the conditioned response (CR), in contrast to subjects which had received the quinidine and the US unpaired. These results provide a useful CTA procedure in terrestrial snails. The implication of the results for learning and the physiological correlates is discussed.

Journal

Animal CognitionSpringer Journals

Published: Jun 1, 2023

Keywords: Conditioned taste aversion learning; Invertebrates; Quinidine; Brain structures

References