Journal
JOURNAL OF EXPERIMENTAL BIOLOGY
Volume 220, Issue 3, Pages 408-413Publisher
COMPANY OF BIOLOGISTS LTD
DOI: 10.1242/jeb.147884
Keywords
Long-term memory; Learning and memory; Smart juveniles; Perseveration; Strain-specific learning abilities
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Funding
- Natural Sciences and Engineering Research Council of Canada [227993-2013]
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Previously, it was concluded that the nervous systems of juvenile snails were not capable of mediating long-term memory (LTM). However, exposure and training of those juvenile snails in the presence of a predator cue significantly altered their ability to learn and form LTM. In addition, there are some strains of Lymnaea which have been identified as 'smart'. These snails form LTM significantly better than the lab-bred strain. Here, we show that juveniles of two smart snail strains not only are capable of associative learning but also have the capacity to form LTM following a single 0.5 h training session. We also show that freshly collected 'wild' 'average' juveniles are also not able to form LTM. Thus, the smart snail phenotype in these strains is expressed in juveniles.
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