Abstract
Associative Learning![Figure][1] Nematode worm, Caenorhabditis elegans PHOTO: SINCLAIR STAMMERS/SCIENCE SOURCE In associative learning, you link potentially unrelated things because you are exposed to them at the same time. Ohno et al. studied a simple associative learning task in the nematode worm Caenorhabditis elegans . They presented the worms with a taste substance while withholding food. After starving in the presence of the taste substance, the animals switched their behavior from being attracted to the taste to finding it aversive. A specific isoform of the insulin receptor is critical for this type of associative learning—at least in worms. Science , this issue p. [313][2] [1]: pending:yes [2]: /lookup/volpage/345/313?iss=6194
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