(IMAGE) Institute of Science and Technology Austria Caption Developing neurons. A coronal section of the frog midbrain showing that AAV labeling also captures the cohorts of neurons developing at the time of injection. AAV-infected cells, green; birthdated cells, magenta; cell nuclei, blue. Scale bars, 400 µm. Credit © Developmental Cell / Jaeger, Vijatovic, Deryckere, et al. Usage Restrictions Free to use when reporting about paper. 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.