, Volume 144, Issue 1, pp 1-8

An analysis of associative learning in a terrestrial mollusc

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We have recently demonstrated that associative learning can play an important role in the regulation of food selection behavior ofLimax maximus, a terrestrial mollusc. The tendency ofLimax to approach a normally attractive odor generated by a food source such as carrot or potato can be markedly reduced if exposure to that odor is paired with exposure to a bitter taste (quinidine sulfate). We now report that variables known to influence associative learning by vertebrates (the operations of a second-order conditioning procedure, blocking and US-pre-exposure) similarly influence associative learning byLimax.