Fruit fly brains (IMAGE) Johns Hopkins Medicine Caption (Left) Whole brain of a fruit fly. (Right) Nuclei of neurons in fruit fly brain tissue. Credit Joshua Raji and Christopher Potter, Johns Hopkins Medicine. 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.