Neurons and neuronal connections (IMAGE) Università di Trento Caption Neurons (green) including those of the habenula (the top two green clusters) and neuronal connections (red). Credit ©Matthias Carl, UniTrento 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.