One-trial associative learning modifies food odor preferences of a terrestrial mollusc

AUTOR(ES)
RESUMO

We present evidence of rapid and reliable associative learning by the terrestrial mollusc, Limax maximus. Slugs were exposed once to a pairing of a highly attractive food odor (potato or carrot) and a saturated solution of quinidine sulfate, a bitter-tasting plant substance. In comparison with control slugs, the exposed slugs subsequently displayed a markedly reduced preference for the odor paired with quinidine. This reduced odor preference was limited to the specific odor paired with quinidine and did not generalize to other food odors.

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