Lasting Impressions (IMAGE) Rockefeller University Caption A segment of a C. elegans worm with a RIM neuron shown in green. The scientists showed that this neuron produces a learning signal that makes the newly hatched worm able to remember an olfactory experience for the rest of its life. Credit Lulu and Anthony Wang Laboratory of Neural Circuits and Behavior at Rockefeller University/Cell Usage Restrictions Image may be used only to illustrate the research described in the accompanying release. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.