Gene Robinson (image) University of Illinois at Urbana-Champaign Caption Illinois entomology and neuroscience professor Gene Robinson and his colleagues believe their results support the existence of a reward system in the insect brain, something that has never before been shown. Credit Photo by L. Brian Stauffer, U. of I. News Bureau. Usage Restrictions Photo may be used only with stories about the research described in the news release. Please credit: Photo by L. Brian Stauffer, U. of I. News Bureau. 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.