Kazuyoshi Ukena, Hiroshima University (IMAGE) Hiroshima University Caption This latest discovery by Kazuyoshi Ukena, adds to our understanding of how the brain regulates energy usage and feeding habits -- the control mechanisms of which are not yet fully understood. Credit Kazuyoshi Ukena Usage Restrictions None 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.